He will keep new ideas so he can help farmers around
China.
A. trying on
B. trying out
C. trying
D. both B and C
网友回答
A. trying on
B. trying out
C. trying
(答案→)D. both B and C
解析：词组辨析题。他总是尝试新的想法为的是能帮助全中国的农民。A. trying on 试穿 B. trying out 尝试 C. trying 尝试 根据语境B、C选项都可所以答案为D