__,she could not mask her sadness.
问题描述：
__,she could not mask her sadness.
A.Hard although she tried to hold herself in
B.Hard though she tried to hold herself in
C.Hard as did she try to hold herself in
D.As she tried hard to hold herself in
答
B. Hard though she tried to hold herself in这里的though 可以替换成as ——Hard AS she tried to hold herself in ,she could not mask her sadness
翻译成 尽管她尽力去把持（控制）自己的（感情）,他也不能掩饰她的悲伤!