— Let's go for a walk，shall we?

— It's too late now; _____，it's beginning to rain. [ ]

A. in addition

B. in a word

C. as a result

D. in general

急性胆囊炎可有

A．突发剑突下剧烈疼痛、阵发性伴钻顶感，间歇期不痛
B．上腹部或右上腹部阵发加剧的持续疼痛
C．上腹持续剧痛伴左肩、腰、背牵拉痛
D．食后上腹胀痛、伴呕吐
E．与饮食有关的慢性周期性节律性上腹痛