在“无为自得,体妙心玄”中,“无为”之义为()
A.什么也不做
B.不能做什么
C.不食不动
D.清静虚无,顺应自然
参考答案:D
My cellphone has disappeared. Who ________ have taken it away?[ ]
A. could
B. should
C. must
D. ought
圣德太子改革