问题

The boys are going to play football after school.— Um, Don’t forget ___________ them __________ on the road. It’s dangerous.
A:Did; hear; beautifully
B:Have; heard; beautifully
C:Did; heard; beautiful
D:Have; heard; beautiful;
B:Have; heard; beautifully
C:Did; heard; beautiful
D:Have; heard; beautiful;
正确答案是: