Jerry did not regret giving the comment but felt ______ he could have expressed it differently. [ ]

A. why        

B. how        

C. that        

D. whether

“身似菩提树，心如明镜台；时时勤拂拭，勿使惹尘埃。”与这—佛家偈语提倡的修炼方式类同的是

A．无为寡欲

B．格物致知

C．内心反省

D．经世致用