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

考查連詞。since  自從，因為；when 當……時候；while 然而，表前后對比；now that由于，既然。句子前后表對比，所以選C。