Keeping your body your mental health.
A. is benefit with
B. was beneficial to
C. have beneficial to
D. is beneficial to
网友回答
A. is benefit with
B. was beneficial to
C. have beneficial to
(答案→)D. is beneficial to
解析：句意：身体健康有益于精神健康。be beneficial to：对……有益。由于这是一个客观事实，因此用一般现在时。