托业考试

试题来源：托业-2
【单选题】 ______ substantial layoffs, costs were reduced.
A．(A) When
B．(B) Because of
C．(C) Although
D．(D) Since

参考答案：B
网考网解析：
Because of indicates a cause-and- effect relationship and can be followed by a noun phrase. Choice (A) must be followed by a subject and verb. Choice (C) indicates an unexpec... 查看试题解析出处>>