he was able to set up his camp very close to the volcano中close to 做什么成分?close to做介词?形容词?

问题描述:

he was able to set up his camp very close to the volcano中close to 做什么成分?
close to做介词?形容词?

close to 是副词短语,做状语,表达 set up his camp 的位置.