The best way Tom suggests one’s strength is to run for 30 minutes every day.
A. building up
B. to build up
C. build up
D. being built up
网友回答
A. building up
(答案→)B. to build up
C. build up
D. being built up
解析：本题考查不定式作后置定语。 Tom suggest是the way后面的定语，Tom建议增强力气的最好办法是每天跑30分钟。