(A) deep relaxation, if practiced regularly, can strengthen the immune system
(B) one can strengthen the immune system through deep relaxation, if it is practiced regularly
(C) the immune system can be strengthened as a result of deep relaxation if practiced regularly
(D) when deep relaxation is practiced regularly, the immune system can be strengthened
(E) when practiced regularly, the results of deep relaxation can be to strengthen the immune system
大全答案A,但是我覺得A脫節,relaxation 不可能 yielding psychological rewards,人才可以,所以我選B,請各位牛牛幫我確認一下,謝謝。
