A:1s22s22p2
B:1s22s22p63s23p63d34s2
C:1s22s22p63s23p6
D:1s22s22p5
—— ________ we go swimming in Xishuanghu Lake today?—— Oh, no. It's ________ cold to swim on such days. I will catch a cold.
对下列句子中加线的词的解释,不止确的一项是 ( )