Answer should be c here in book its goven b please confirm

TTOUTOOIT The set of all x e R for which the vectors (1, x, 0), (0, x?, 1) and (0, 1, x) are linearly independent 27. in R3 is (A) {x e R: X = 0} (B) {xe R:x* 0} C) {x e R: x# 1} (D) {x e R :X# -1}