— Please turn off the radio, grandma ___now.

—OK, I’ll do it right now.

is sleeping B. will sleep C. slept D. sleeps

男性，48岁，餐后上腹胀满，恶心，呕吐，上腹部隆起两周，3个月前有跌跤上腹部触及台阶史。检查：一般情况好，上腹正中膨隆，可触及一个15cm×12cm略呈椭圆形稍囊性的肿块，轻度压痛，X线钡餐透明见胃及横结肠均向下移位，诊断应首选考虑

A．胰腺假性囊肿

B．肠系膜囊肿

C．腹膜后囊肿

D．肝囊肿

E．胆总管囊肿