Which sentence below uses a definition context clue to hint at the meaning of the italicized word?
A. Rex vaulted over the couch and reached the door before I could even get
out of my seat.
B. Rex vaulted over the couch, jumping high enough for his feet to clear the
back cushions, and reached the door before I even got out of my seat.
C. Rex didn't simply climb over the couch; he vaulted over it in order to
reach the door before I could even get out of my seat.
D. Rex vaulted, or propelled himself, using one hand over the couch and
reached the door before I could even get out of my seat.