Tom pretended ______ it, but in fact, he knew it very well a long time ago.
A.not to listen to B.not to be listening to
C.not to hear about D.not to have heard about
Tom pretended ______ it, but in fact, he knew it very well a long time ago.
A.not to listen to B.not to be listening to
C.not to hear about D.not to have heard about
D