He got his first book published.It turned out to be a bestse
He got his first book published.It turned out to be a bestseller.
--- He got his first book published.It turnedout to be a bestseller.
--- When was _____?
--- _____ was in 2000 when he was still in college.
A.that; This B.this;It C.it; This D.that; It
选哪个,请详解原因,