A.will take into
B.will be taken into
C.be taken into
D.take into

A.needn't they.. mustn't
B.mustn't they.. mustn't
C.mustn't they.. needn't
D.shouldn't they.. should
A.she will
B.is she
C.will she
D.she is
A.the possible reproduction
B.possible to reproduce
C.the possibility of reproducing
D.possibly reproduced