【正确答案】 A

【答案解析】 Logical Predication; Agreement
   This sentence identifies November as traditionally being the month with the strongest sales of light trucks, and then goes on to indicate that even when compared to previous Novembers, this past November's sales accounted for a notably large portion of overall sales. It makes sense to make a comparison between sales in one November with sales in other Novembers. It does not make sense to compare sales to months, as in (C) and (D).
   A   Correct. This version makes the correct comparison between sales in one particular November and sales in previous Novembers.
   B   The antecedent of the word it is unclear. The sentence begins with the word November, which is used to refer not to a specific November, but to the month generally. If the antecedent of it is taken to be November, then the sentence compares November, taken generally, to previous Novembers. But previous to what? Since taking November to be the antecedent renders the sentence nonsensical, we may be inclined to look for the antecedent elsewhere; the only other possible candidate, however, is this past November's sales, which is ruled out because it is singular and sales is plural.
   C   The antecedent of the pronoun they is sales, making the comparison between they and previous Novembers illogical.
   D   The sentence illogically compares sales of light trucks with previous Novembers. The conjunction so that nonsensically introduces a causal relationship between November's typically strong sales and the aforementioned comparison.
   E   Like (D), this sentence introduces a nonsensical causal relationship, in this case between the fact that November typically has the strongest sales and the fact that this past November's sales accounted for a remarkably large share of total vehicle sales.
   The correct answer is A.