An organic compound 'A' $$(C_9H_{10}O)$$ when treated with conc. HI undergoes cleavage to yield compound 'B' and 'C'. 'B' gives yellow precipitate with $$AgNO_3$$ where as 'C' tautomerizes to 'D'. 'D' gives positive iodoform test. 'A' could be:

A

B

C

D