2个高中英语单选题-----------务必高手帮忙
25、—Don’tforgettocheckbehindthecarbeforeyoumoveoff.
—OK,I .
A:don’t B:won’t C:will D:do
26、Scientistsacrosstheworld formanyyearsaboutwhethertheplanetcontainslargeamountsofwater.
A:argue B:arearguing C:hadargued D:havebeenarguing
请说出以上两题的解题思路,并标准翻译.