Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
"Why wasn't your boyfriend at the party last night?"                       - "He ______ the lecture at Shaw Hall. I know he very much wanted to hear the speaker."
A.may have attended                                     
B.was to attend                                                   
C.should have attended                                 
D.can have attended

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