試題詳解

36 It seems that few American exports have proved as popular as credit cards.
(A) Credit cards seem to have been among the most popular exports from the United States.
(B) The United States seems to have exported more credit cards than any other countries have.
(C) When it comes to American exports, credit cards seem to have been the least popular ones.
(D) American credit cards seem to have more overseas users than local users in the United States.