Speak___,please.I can't hear you. A.lowly B.loudly C.carefully D.good

BI can't hear you.我听不见你说的内容.所以可以推断前面是希望对方说的声音大一些,即speak loudlyA.lowly adj.卑贱的；地位低的；谦逊的；adv.谦逊地；位置低下地；低声地B.loudly adv.大声地,响亮地C.carefully ad...She can sing_____and dance____. A.beautiful;beautiful B.beautifully;beautifullyc.beautiful;beautifullyD.beautifully;beautiful怎么做？