正常小儿，女，5kg。护士计算其每日所需8%糖牛乳的量为（）
A.450ml
B.550ml
C.700ml
D.800ml
E.900ml
参考答案：B
After visiting China, most of the foreign friends said they would never forget the time _________they had spent in China.
A．what
B．that
C．when
D．at which
芒线
