以下可重入表中哪些是循环表？

A、(L1: (L2: (L1, a)));
B、D(
A、(c),
B、(e),
C、(a, L:(b, A, d)));
C、 (L: (a, L));
D、(L1:(a, b), (L1, c, L2:(d)), (L2, e, L3:(f, g)), L3);
E、(L1: (a, b, L2(x, y)), L2, L3: (s, t, L4:(q, L5:(w, L3, v), r)));
F、(x1, (y1, (a1, a2), y3), x3, (z1, z2))