I can't go to the New Year's concert，______，100 dollars is just too much for me to spend in one evening．

A．in other words
B．that is
C．in particular
D．I mean

复合树脂充填时窝洞消毒剂除下列哪种外均不宜采用

A．50%麝香草酚

B．樟脑酚

C．丁香油

D．木榴油

E．75%乙醇