While standing on a moving bus, you’re supposed to hold onto the bar in order not to .
A. in balance
B. keep balance
C. lose balance
D. hold the balance
网友回答
A. in balance
B. keep balance
(答案→)C. lose balance
D. hold the balance
解析： 题意为：站在正开动的公车上，为了不失去平衡你应拉住扶手。Lose balance 失去平衡。