On the graduation day, he received from his father a nice present a note was attached, saying “I’m proud of you.”
A. on which
B. to which
C. with which
D. in which
网友回答
A. on which
(答案→)B. to which
C. with which
D. in which
解析：考查定语从句中的介词选择。本题定语从句中有be attached to…依附在…之上；本题把介词to提到关系代词which之前。句意：在毕业这一天，他收到了父亲的一个另外，在礼物上附着一个纸条，上面写着“我为你感到骄傲”。故B正确。