请选择DCBA.p2@3d2_-T8C7^6B3J What number comes next? 1, 2, 4, 7, 11, 16, ?,H7v:O6_4J,d-v7a(Q1H/P;e
A. 18,H7v:O6_4J,d-v7a(Q1H/P;e
B. 22,H7v:O6_4J,d-v7a(Q1H/P;e
C. 21,H7v:O6_4J,d-v7a(Q1H/P;e
D. 24,H7v:O6_4J,d-v7a(Q1H/P;e