太阳头痛选用引经药为

A．寒战发热伴有咳嗽气急、胸痛等症

B．冬春

C．寒热往来，汗出热退，休作有时为特征

D．春夏

E．夏秋

The committee kept the results of the survey（）fearing a bad public reaction.

A.in itself

B.to itself

C.by itself

D.of itself