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Here is a detailed explanation to this question-
KC
Dressed as a man and using the name Robert Shurtleff, Deborah Sampson, the first woman to draw a soldier's pension, joined the Continental Army in 1782 at the age of
22, was injured three times, and was discharged in 1783 because she had become too ill to serve.
(A) 22, was injured three times, and was discharged in 1783 because she had become
(B) 22, was injured three times, while being discharged in 1783 because she had become
(C) 22, and was injured three times, and discharged in 1783, being
(D) 22, injured three times, and was discharged in 1783 because she was
(E) 22, having been injured three times and discharged in 1783, being
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Meaning is crucial to solving this problem:Understanding the intended meaning is key to solving this question; the intended core meaning of this sentence is that Deborah Sampson joined the Continental Army in 1782 at the age of 22, was injured three times, and was discharged in 1783 because she had become too ill to serve.
Concepts tested here: Meaning + Tenses + Grammatical Construction• If a list contains only two elements, they must be joined by a conjunction; the "comma + and construction" (oxford comma) is used for the last element in a list of three or more elements.
• The passive continuous tense is only used to refer to ongoing actions.
• The introduction of the present participle ("verb+ing"- “having” in this case) after comma generally leads to a cause-effect relationship.
A: Correct. This answer choice uses the phrase "was injured three times, and was discharged in 1783"; the construction of this phrase conveys the intended meaning - that Deborah Sampson joined the Continental Army in 1782 at the age of 22, and as two separate actions was injured three times, and discharged in 1783 because she had become too ill to serve. Further, Option A correctly uses the past perfect tense verb "had become" to refer to the earlier of two actions that concluded in the past - Sampson becoming too ill to serve and her being discharged. Additionally, in a list of three elements Option A correctly uses a comma to join the first and second. Moreover, Option A avoids the grammatical construction error seen in Option B, as it only has a list with three elements.
B: This answer choice alters the meaning of the sentence through the phrase "while being discharged"; the use of "while" illogically implies that Deborah Sampson was injured three times, at the time when she was being discharged; the intended meaning is that Deborah Sampson was injured three times, and a separate action she was discharged; please remember, "while" is used to refer to actions that take place simultaneously. Further, Option B incorrectly uses a comma to join two elements in a list - the actions "joined" and "was injured"; please remember, in a list with only two elements, the elements must be joined by a conjunction.
C: This answer choice incorrectly uses the passive continuous tense verb "being" to refer to the earlier of two actions that concluded in the past - Sampson becoming too ill to serve and her being discharged; please remember, the past perfect tense (marked by the use of helping verb "had") is used when a sentence contains two actions in the past; the helping verb "had" is used with the action in the "greater past", and the passive continuous tense is only used to refer to ongoing actions. Further, Option C incorrectly uses the "comma + conjunction ("and" in this sentence)" construction to join the first and second elements in a list with three elements; please remember, the "comma + and construction" (oxford comma) is used for the last element in a list of three or more elements, and the rest are joined by a comma.
D: This answer choice alters the meaning of the sentence through the phrase "injured three times"; the construction of this phrase leads to an incoherent meaning; the intended meaning is that Deborah Sampson joined the Continental Army in 1782 at the age of 22, was injured three times, and was discharged in 1783 because she had become too ill to serve. Further, Option D incorrectly uses the simple past tense verb "was" to refer to the earlier of two actions that concluded in the past - Sampson becoming too ill to serve and her being discharged; please remember, the past perfect tense (marked by the use of helping verb "had") is used when a sentence contains two actions in the past; the helping verb "had" is used with the action in the "greater past", and the simple past tense is used to refer to actions that concluded in the past.
E: This answer choice alters the meaning of the sentence through the phrase "having been injured three times and discharged in 1783"; the use of the "comma + present participle ("verb+ing" - "having" in this sentence) illogically implies that Deborah Sampson joined the Continental Army in 1782 at the age of 22
because she had been injured three times and discharged in 1783; the intended meaning is that Deborah Sampson joined the Continental Army in 1782 at the age of 22, and
as two separate actions was injured three times, and was discharged in 1783; please remember, the introduction of the present participle ("verb+ing"- “having” in this case) after comma generally leads to a cause-effect relationship. Further, Option E incorrectly uses the passive continuous tense verb "being" to refer to the earlier of two actions that concluded in the past - Sampson becoming too ill to serve and her being discharged; please remember, the past perfect tense (marked by the use of helping verb "had") is used when a sentence contains two actions in the past; the helping verb "had" is used with the action in the "greater past", and the passive continuous tense is only used to refer to ongoing actions.
Hence, A is the best answer choice.To understand the concept of "Simple Tenses" on GMAT, you may want to watch the following video (~1 minute):
To understand the concept of "Past Perfect Tense" on GMAT, you may want to watch the following video (~2 minutes):
All the best!
Experts' Global Team