-Jack is ill in hospital. --Really I him right now.A. will visitB. am going to visitC. a

问题补充：

-Jack is ill in hospital. --Really, I him right now.

A. will visit

B. am going to visit

C. am to visit

D. am about to visit

答案：

(答案→)A. will visit

B. am going to visit

C. am to visit

D. am about to visit

解析：will do 表示说话时的突然的决定。