Sometimes our opinions differ what we choose to observe and how we deal with what we’ve observed
A. which
B. since
C. because
D. because of
网友回答
A. which
B. since
C. because
(答案→)D. because of
解析:本题考查介词。because作为从属连词,主要用于引导原因状语从句,既然是引导一个从句,也就是说它的后面不能再连用引导词。根据what引导的名词性从句,故用介词because of。句意:有时候我们的观点不同,因为我们观察的角度不同。