Whichofthefollowingneedstoberecycledduetodangerousamountsofgascontainedinsideitshousing?()

Whichofthefollowingneedstoberecycledduetodangerousamountsofgascontainedinsideitshousing？（）

A、CRT

B、Toner

C、Surgesuppressor

D、LCD