下列加线词的理解,正确的一项是( )
A:怨灵修之浩荡兮 之:结构助词“的”
B:乘彼垝垣,以望复关 以:凭借
C:或因寄所托 因:依,随着
D:不出,火且尽 且:而且
—Look! How _________ the market is!—Yes. There are always lots of people buying things there.