GWD16-14 求解

Q14:

In 1914 a total of 469,000 cars and trucks were produced in the United States, but in 1929 almost twice the numbers of tucks alone came off the assembly lines.

1. the numbers of tucks alone
2. that number of trucks alone
3. the number of trucks by themselves
4. as many trucks themselves
5. as many trucks by themselves

以as...as 規則可以將(D)(E)刪去   但是(A)(B)(C) 選項該如何判斷呢？ 謝謝回答

难

选B。。。

A， the number指代不明

c，by themselves用法错误