问题补充：
Her efforts resulted her success while her brother’s failure resulted his laziness.
A. from, from
B. from, in
C. in, from
D. in, in
答案：
A. from, from
B. from, in
(答案→)C. in, from
D. in, in
解析：考查介词。result in导致；result from由于。句意：她的努力导致了她的成功，然而她弟弟的失败是由于他的懒惰。故C正确。
