单选题
In paragraph 3 the writer uses the phrase "to the best of my knowledge..." because ______.
A、
she has good knowledge of this area
B、
she is not sure if the area has been researched in Hong Kong
C、
she thinks the area has been researched in Hong Kong
D、
she does not wish to take responsibility for any omissions in the bibliography
【正确答案】
B
【答案解析】
“to the best of my knowledge”意为“据某人所知”。所以选B。
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