Suppose U = {−6, −2, 1, 3, 5, 6} is the universal set and T is the set {−6, −2,3}. What is the complement of set T?
a. {−6, −2,3}
b. {−2, 1, 3, 5, 6}
c. {3, 5, 6}
d. {1, 5, 6}