--Jerry and Lucy must both like movies. ! often meet them at the cinema.
--__________ is Lucy, not Jerry, who likes movies.
本题考查强调句型。句意：一杰里和露西一定都喜欢看电影，我经常会在电影院遇见他们。一是露西喜欢看电影，而不是杰里。本题考查It is…that／who…的句型，所以答案为C。