The number of foreign students Chinese Universities rising steadily since 1990.
A. attending; has been
B. who attending; is
C. to attend; is
D. attended; has been
网友回答
(答案→)A. attending; has been
B. who attending; is
C. to attend; is
D. attended; has been
解析：考查现在分词做定语和时态：第一空填attending，做定语修饰foreign students，因为foreign students和attend是主动关系，第二空填has been因为时间状语是since 1990.和现在完成时连用。选A。