. –I hear Alice was badly injured in the accident and sent to hospital. -- we should go a

问题补充：

. –I hear Alice was badly injured in the accident and sent to hospital.

--, we should go and see her immediately.

A. If so

B. When necessary

C. On condition that

D. Believe it or not

答案：

(答案→)A. If so

B. When necessary

C. On condition that

D. Believe it or not

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