【推荐1】His father had three part-time jobs，______brought in some extra money for her family.

A．who

B．that

C．which

D．where

【推荐2】These theories have been put into practice， according to        offenders should be punished out of respect for the victims they have harmed.

A．which

B．whose

C．who

D．what

【推荐1】I wish to thank Professor Smith, without _______help I would never have gone that far.

A．who

B．whom

C．whose

D．which

【推荐2】Lawrence Craven, a doctor from the USA, is the author of several published reports, one of ________ introduced the idea in 1953 _________ aspirin could reduce the risk of heart attacks.

A．them; when

B．which; that

C．what; that

D．which; when