是it's surprise that还是it is a surprise that 正确?

是it's surprise that还是it is a surprise that 正确?
是it's surprise that还是it is a surprise that 正确?

是it's surprise that还是it is a surprise that 正确?
It is a surprise .名词
It is surprising .形容词
两者都对.

前者正确，后者基本正确，最好选前者