[单选题]
According to the Bohr model of the atom, the angular mom 67l yayyx z x36fu+ubkdq,0;uentum of an electrgo knk.a wrs-)v)j/* zon around the nu oj)z/r*- wg)v.kskancleus
A. could equal any positive value.
B. must equal an integral multiple of h.
C. must equal an integral multiple of h/2p.
D. decreases with time, eventually becoming zero.