."Did you come by train?" A. He enquired whether I come by train. B. He enquired whether I had come by train. C. He enquired whether had I come by train. D. He enquired whether I came by trai
"Did you come by train?"
A. He enquired whether I come by train.
B. He enquired whether I had come by train.
C. He enquired whether had I come by train.
D. He enquired whether I came by train.