单选题
An investigation that is unguided can occasionally yield new facts, even notable ones,
and the typical appearance of such facts
is the result of a search in a definite direction.
A、
but the typical appearance of such facts
B、
but typically the appearance of such facts
C、
and typically the appearance of facts as such
D、
and the typical appearance of facts as such
【正确答案】
B
【答案解析】
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