I don’t think Rosemary will be upset about it but I’ll go to see her in case she .A. isB.

问题补充：

I don’t think Rosemary will be upset about it, but I’ll go to see her in case she .

A. is

B. will be

C. does

D. need

答案：

(答案→)A. is

B. will be

C. does

D. need

解析：本题考查时态。后面句子补全为but I’ll go to see her in case she is upset about it. in case引导的从句主句用一般将来时，从句用一般现在时代替将来时。故选A。