I should like to rent a house, that is modern, cozy and, ________, in a convenient place.

A．before all

B．above all

C．overall

D．first of all

直接显色分光光度法测定环境空气或废气中硫化氢时，空气中臭氧不干扰测定；氧气、氯气和氯化氢干扰测定。