SajjadAhmad
The stranger was affable,
with good manners and has a keen wit.(A)
with good manners and
has a keen wit
(B)
with good manners and a keen wit
(C) well mannered and keen witted
(D) good
manners as well as keen witted
(E)
and has good manners as well as a keen wit
Source: Master GMAT
Correct answer: C
A: Incorrect because it uses a phrase "with ..." to describe the adjective "affable." "With" would be acceptable if the sentence were instead written "The stranger was an affable [noun]." "Has" is also not parallel.
B: Incorrect for the same reason as A.
C: Correct
D: Incorrect as adjectives should be employed to further describe "affable." "Good manners" is a noun phrase and also not parallel with "keen witted."
E: Incorrect as "and" creates a comma error. Since "and" is preceded by a comma, the following clause should be an independent clause (with noun and verb). However, the clause omits the subject. (E) would be correct if it were written, "and
(s)he has good manners ..."