The experiment shows that proper amounts of physical exercise, if _______ regularly, can make a

difference to our health.[ ]

A. being carried out  

B. carrying out      

C. carried out      

D. to carry out

“给定资料”中提及了网络对腐败现象的监督作用，请谈谈你对通过网络监督治理腐败问题的看法。 要求：观点明确，条理清晰，不超过350字。