Parents are advised to take pressure_____a child and give him or her some encouragement before an exam.

A．off

B．over

C．from

D．to

风险迁徙类指标衡量商业银行信用风险变化的程度，表示为资产质量从前期到本期变化的比率，其主要包括（）。

A.正常贷款迁徙率

B.正常类贷款迁徙率

C.关注类贷款迁徙率

D.次级类贷款迁徙率

E.可疑类贷款迁徙率