who is he man __is talking with johnawhich bwho cwhat dthat

who is he man __is talking with johnawhich bwho cwhat dthat
who is he man __is talking with john
awhich bwho cwhat dthat

who is he man __is talking with johnawhich bwho cwhat dthat
who is he man __is talking with john
选D
因为如果前面没有who的话,可以用who或者that,因为有了who,所以只能用that,选D