问题

Will Li Ming attend the concert by Jay Chou? —No. He _____ for the coming speech contest lately. width=”98″ valign=”top” style=”width:73.6pt;padding:0cm .5pt 0cm .5pt”
A: prepared
B: was preparing
C: has been preparing
D: has prepared
B: was preparing
C: has been preparing
D: has prepared
正确答案是: