Do ______ right and respect the opinions of others.[ ]

A. what you believe is

B. that you believe is

C. which you believe is

D. which you believe

必须长期坚持对严重危害社会治安的犯罪分子采取依法( )惩处的政策，必要时在全国范围或较大区域内开展对严重刑事犯罪活动集中统一的打击行为。

A．从严从重

B．从严从快

C．从重从快

D．从宽从轻