'this' in Paragraph Two refers to ______ .
A.insecurity
B.sense of failure
C.public speaking
D.pressure

A.A.insecurity
B.sense
B.public

【参考答案】

C
解析：语义理解题。该句中前面出现了insecurities，后面又出现了them，后者指代前者，排除[A]；......

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