Question

In the US they focus on creative thinking skills, _____ in China they only focus on theory．

A．since

B．when

C．while

D．now that

Answer 1

C

考查连词。since  自从，因为；when 当……时候；while 然而，表前后对比；now that由于，既然。句子前后表对比，所以选C。