—Could you please tell me ____?—Sorry,you can turn to Mr.Lee

—Could you please tell me ____?—Sorry,you can turn to Mr.Lee for help.
—Could you please tell me ____?—Sorry,you can turn to Mr.Lee for help.（2011湖北黄冈） A.how long can man live without water B.whether Yao Ming would play for Rockets or not C.how I can keep myself safe from the flu D.why did a serious landslide happen in Zhouqu,Gansu Province.