The vocabulary and grammatical differences between British and American English are so trivial and few as hardly ______.
A、
noticed
B、
to be noticed
C、
being noticed
D、
to notice
【正确答案】
B
【答案解析】
不定式短语在so…as结构中做结果状语，difference与notice之间是被动关系，选项B正确。
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