請教問題

She is already very nervous and if she knew that you were here____. UBqK$2 #  
A.still more nervous would she become   T{)!>)  
B.she would still become nervous A:D\!5=  
C.she will become still more nervous dtF6IdAf  
D.would she become still more nervous !?l 23(d  
大家看看這題選什么？

不會

答案是a

這題選什么？