The experienced teachers try their best the younger ones experience.
A. to help…getting
B. help…get
C. to help…to get
D. helping…get
网友回答
A. to help…getting
B. help…get
(答案→)C. to help…to get
D. helping…get
解析：固定搭配try one’s best to do sth努力做某事；help sb （to） do sth帮助某人做某事；句义：这些有经验的老师努力帮助年轻人得到更多的经验。故C正确。