—Can I help you Madam?— No thanks. I.A. have just looked aroundB. just look aroundC. jus

问题补充：

—Can I help you, Madam?

— No, thanks. I.

A. have just looked around

B. just look around

C. just looked around

D. am just looking around

答案：

A. have just looked around

B. just look around

C. just looked around

(答案→)D. am just looking around

解析：此处用I am just looking around表示我只是正在随便看看，just可以和现在进行时连用，表示只是怎么怎么样。