The young man made a to his parents that he wouldtry to earn his own living after graduati

问题补充：

The young man made a to his parents that he wouldtry to earn his own living after graduation.

A. prediction

B. promise

C. plan

D. contribution

答案：

A. prediction

(答案→)B. promise

C. plan

D. contribution

解析：本题考查名词词义辨析。 make a promise 表示作出承诺，符合题意。