sat-oc 完善句子

sat-oc 完善句子
Born Charles Hardin Holley,Buddy Holly recorded
some of the most distinctive and influential songs in
rock-and-roll music,which includes such classics as
“That'll Be the Day,” “Rave On,” and “Peggy Sue.”
(A) which includes
(B) they include
(C) also including
(D) including
(E) these include
The Pony Express was an ingenious system for
carrying mail; it was in existence only briefly,
however,before the telegraph system made it
obsolete.
(A) mail; it was in existence only briefly,
however,
(B) mail,for it was in existence only briefly,
however,
(C) mail; however,existing only briefly
(D) mail,having existed only briefly
(E) mail,but was existing only briefly
A,E为啥不对