_ to hold a sports meeting _ yet.选择.A.When;hasn't decided.B.Whether;isn't decided.C.If
问题描述：
_ to hold a sports meeting _ yet.选择.A.When;hasn't decided.B.Whether;isn't decided.C.If
;isn't decided.
D.Where;hasn't decided.
说明理由.
答
B.Whether;isn't decided
首先,这里要用被动语态,排除A、D；
其次,if不能和不定式连用,排除C.