書名：挑戰新多益閱讀滿分2(寂天)
頁數：19
題目：109題 The film's lead actress is _____ to appear at twelve press events
in the next two months.
(A)obligated
(B)obligating
(C)having obligated
(D)obligate
答案為A，我選D 想請問一下為什麼答案是A