I like kids very much,so working in a kindergarten is ( )special interest to me.
A of B with C in D at
I like kids very much,so working in a kindergarten is ( )special interest to me.
A of B with C in D at
选择A。Of +名词=形容词的用法,例如 of importance = important,此句中的of special interest =interesting
A of special interest 相当于 specially interesting
C.,
be in interest