free freely

The number of low-income Florida children eating_____ and living ______ last summer jumped by 15 percent from the previous year.
A.free;free B.freely;freely C.free;freely D.freely;free
答案是A
free没有副词形式freely吧.
free有形容词和副词两种词性.
形容词free有“免费,有空,自由的”意思.
副词free是“自由自在；解脱；超然”等意思.