S-I: Reaction of but-2-yne by Na/liq `NH_(3)` gives trans but-2-ene
S-II: It is syn addition.
A. S-I&II are correct, S-II is correct explanaion of S-I
B. S-I&II are correct, S-II is not correct explanation of S-I
C. S-I is true, but S-II is false
D. S-I is false, but S-II is true.
