正确：B   
比较：lively/alive

lively意为“生动的；活泼的；有生气的”,还可引申为“强烈的；敏锐的；紧张的；鲜艳的”,可作定语(前置)、表语、主补、宾补.如：
He makes his class lively.他使得他的课生动形象.
The lecture is very lively.这个讲座很生动.

alive意为“活着的”,还可引申为“有活力的；有生气的；活跃的”,常作表语、宾补、主补及后置定语,多用于指人.如：
Is the fish dead or alive?这鱼是死的,还是活的?
There aren't many pandas alive in the world today.目前世界上活着的熊猫数量不多.
They were buried alive.他们是被活埋的.