When I was a child, it was a five-hour, once-a-summer trek, to the nearest  major league ballpark. A. No change B. child,...

When I was a child, it was a five-hour, once-a-summer trek, to the nearest  major league ballpark.

A. No change

B. child, it was a five-hour, once-a-summer trek,

C.child, it was a five-hour once-a-summer, trek

D. child it was a five-hour, once-a-summer trek,