Do you think a headmaster like Mr. Robert is ______ of going so far as to neglect his duty

A．treated
B．adjusted
C．adopted
D．remedied

A．He was asked to come back in 24 hours but he didn't.
B．These people realized how much time and expense he had put into his applications.
C．He was told that they would contact him within 24 hours but they didn't.
D．They told him it was a privilege to be given an interview.