The national insurance firm offers four tiers of coverage plans; buyers can choose among bronze, silver, gold, and platinum plans, there are no plans that offer greater coverage than the platinum tier or less than the bronze.
(A) buyers can choose among bronze, silver, gold, and platinum plans, there are
(B) because buyers can choose bronze, silver, gold, or platinum, there are
(C) however, buyers can choose among bronze, silver, gold, and platinum, and
(D) buyers can choose among bronze, silver, gold, platinum plans, but
(E) although buyers can choose among bronze, silver, gold, and platinum plans, there are
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A - 2 statements cant be simply divided by comma here. ''buyers can choose among bronze, silver, gold, and platinum plans'' and ''there are no plans that..'' - illogic meaning
B - the answer choice says buyers can choose all of the 4 options. - Illogic meaning
C - the sentence starts with ''However'' meaning it contradicts the sentence about insurance coverage plans. - Hold on the answer choice
D - after ''but'' there is not an independent clause. - incorrect grammar usage.
E - Usage of ''Although'' gives a contradictory meaning in the sentence and there is an independent clause after '' Plans''. Hold on the answer choice
If compare C to E, answer choice E gives more logical meaning. Therefore, E is our winner.