The fact that she was foreign made ________ difficult for her to get a job in that country.[ ]

A. so  

B. much

C. that  

D. it

通常所说多少伏的晶闸管，是指它的（）是多少伏。

A.阻断峰值电压

B.转折电压

C.整流电压

D.管压降