____Americanfirmsoftentalkaboutthevastamountsspentontra...

问题详情：

____ American firms often talk about the vast amounts spent on training their work forces, in fact they invest less in the skills of their employees than either Japanese or German firms.

A. While                B                 C. If                     D. Because         

【回答】

知识点：状语从句

题型：选择题