Which of the following operational results of built-in data structures of Python is NOT correct?

A、l = [1, 2, 3, 4]; l.insert(2, -1); then l is [1, 2, -1, 4].;

B、l = [1, 2, 3, 4]; l.rerverse(); then l[1] is 3.;

C、l = [1, 2, 3, 4]; l.pop(); then l.index(3) is 2.;

D、l = [1, 2, 3, 4]; l.pop(1); then l is [1, 3, 4].