我国颁发的通航标准中规定的剩余水深为().
A:沙质河床0.1~0.3m,石质河床0.2~0.5m
B:沙质河床0.2~0.3m,石质河床0.2~0.5m
C:沙质河床0.1~0.3m,石质河床0.3~0.5m
D:沙质河床0.2~0.3m,石质河床0.3~0.5m
出自:内河船员证