电子组态1s, 3p, 3d的光谱项为( )A. ^2S, ^2D, ^2PB. ^2S_(1/2), ^2P_(1/2), ^2D_(3/2)C. ^2S, ^2P, ^2DD. ^2S_(1/2), ^2P_(1/2), ^2D_(1/2)

A. $^{2}S$, $^{2}D$, $^{2}P$

B. $^{2}S_{1/2}$, $^{2}P_{1/2}$, $^{2}D_{3/2}$

C. $^{2}S$, $^{2}P$, $^{2}D$

D. $^{2}S_{1/2}$, $^{2}P_{1/2}$, $^{2}D_{1/2}$