Correct option is D
Statements:
All cages are nests.
Some nests are houses.
No house is a den.

Conclusions:
(1): No cage is a den. - False - there is no definite negative relation is given between them.
(II): Some houses are cages. - False - there is no common area is given between them.
Neither conclusion (I) nor (II) follows.
option D is correct.