The teacher, along with 5 of her students, ________talking with a foreign teacher in the English Corner at that time.

A．was

B．were

C．had been

D．would be

小儿佝偻病活动期表现为（）

A.汗多，枕秃

B.肋缘外翻，串珠肋

C."O"型腿，脊柱侧弯

D.头颅、前囟进行增大

E.牙齿迟出