某商店有两件进价不同的衣服都卖了60元，其中一个盈利50%，另一个亏本50%，在这次买卖中，这家商店______（若有盈亏，则计算出赢利或亏损多少元）

To pick up as soon as possible, Tom was advised to do exercise ________ a change in diet.  [      ]

A. in addition to    

B. in favor of  

C. in response to

D. in return for