每周去健身房三次并在跑步机上走步帮助我保持体重。

每周去健身房三次并在跑步机上走步帮助我保持体重。

A.GOING TO THE GYM THREE TIMES A WEEK AND WALKING ON THE TREADMILL WAS HELPING ME MAINTAIN MY WEIGHT.

B.GOING TO THE GYM THREE TIMES A WEEK AND TO WALKING ON THE TREADMILL WERE HELP ME MAINTAIN MY WEIGHT.

C.GOING TO THE GYM THIRD TIMES A WEEK OR WALKING ON THE TREADMILL WAS HELPING ME MAINTAINING MY WEIGHT.

D.GOING TO THE GYM THIRD TIMES A WEEK AND WALK ON THE TREADMILL WAS HELPING ME TO MAINTAIN MY WEIGHT.

正确答案是A