正確：B   
比較：lively/alive

lively意為“生動(dòng)的；活潑的；有生氣的”,還可引申為“強(qiáng)烈的；敏銳的；緊張的；鮮艷的”,可作定語(yǔ)(前置)、表語(yǔ)、主補(bǔ)、賓補(bǔ).如：
He makes his class lively.他使得他的課生動(dòng)形象.
The lecture is very lively.這個(gè)講座很生動(dòng).

alive意為“活著的”,還可引申為“有活力的；有生氣的；活躍的”,常作表語(yǔ)、賓補(bǔ)、主補(bǔ)及后置定語(yǔ),多用于指人.如：
Is the fish dead or alive?這魚(yú)是死的,還是活的?
There aren't many pandas alive in the world today.目前世界上活著的熊貓數(shù)量不多.
They were buried alive.他們是被活埋的.