根据《合同法》的规定，下列情形中，属于合同解除法定事由的有()。

A.合同当事人一方的法定代表人变更

B.作为合同当事人一方的法人分立

C.由于不可抗力致使合同目的不能实现

D.合同当事人一方迟延履行债务致使合同目的不能实现

Victor apologized for ______ to inform me of the change in the plan.  [ ]

A. his being not able    

B. him not to be able  

C. his not being able    

D. him to be not able