What a fine day! Shall we go picnicking?

_____. But we need to be home before six o'clock for the football match. [ ]

A. Have a nice time

B. Pardon me

C. That's great

D. You are right

女性，4岁，阵发性腹痛逐渐加重伴恶心、呕吐3天。查体：轻度腹胀，全腹压痛，左侧腹股沟区可见直径5cm的半球型包块，压痛显著。X线腹平片显示腹部多个液气平面，最可能的诊断是

A．寒性脓肿继发感染

B．嵌顿性直疝

C．急性淋巴结炎

D．嵌顿性股疝

E．粘连性肠梗阻