皮肤黏膜淋巴结综合征首选的治疗药物是（）

A.丙种球蛋白

B.阿司匹林

C.双嘧达莫

D.糖皮质激素

E.环磷酰胺

When she is put in a situation ______ she has to make a remark on others, she usually changes the topic.

A．that

B．when

C．which

D．Where