It's so kind ( )me a lot of helpa.of he to giveb.of him to give c.for him to gived.for he to give

It's so kind ( )me a lot of helpa.of he to giveb.of him to give c.for him to gived.for he to give
It's so kind ( )me a lot of help
a.of he to give
b.of him to give
c.for him to give
d.for he to give

It's so kind ( )me a lot of helpa.of he to giveb.of him to give c.for him to gived.for he to give
B
句型It's kind of sb.to do sth.
其中sb因为是在介词of后面,所以用宾格形式

b.of him to give
形容人好坏用kind of ,后接宾格

b
be kind of sb to do sth固定用法

B, it is so kind (or good or nice or sweet, whatever) of someone就像个固定用法一样