He has _________ friends here because he is always friendly.

A．quite few

B．quite little

C．quite a few

D．quite a little

十天女孩，出生后7天起突然发生胆汁性呕吐呈喷射状，排便量减少。

可以帮助确诊的检查是()

A．大便常规+OB

B．腹部X线直立位片

C．腹腔穿刺

D．钡剂灌肠

E．钡餐