[单选题]
The elements in the periodic table that hav- +0u,ti wy;oqav8j+ .ly evvae com g:r2b /*x26pg4j dzql7ugignpletely filled shells or subshells are rb/27i:xgqz 42gu g6g*nljr p deferred to as
A. noble gases.
B. halogens.
C. alkali metals.
D. transition elements.