Let g be the group g = g z, x z, then a) g is isomorphic to s g is isomorphic to a subgroup ofs, gis is

Let G be the group G = G Z, x z, Then A) G is isomorphic to S G is isomorphic to a subgroup ofS, Gis isomorphic to a proper subgroup of S (B) (C) G is not isomorphic to a subgroup of S, for all n = (D) A B C D