Consider the reaction sequence given below:
Which of the following statements is true?

Arrange the following labelled hydrogens in decreasing order of acidity :

An organic compound ‘A’ (C₉H₁₀O) when treated with conc. HI undergoes cleavage to yield compounds ‘B’ and ‘C’. ‘B’ gives yellow precipitate with AgNO₃ where as ‘C’ tautomerizes to ‘D’. ‘D’ gives positive iodoform test. ‘A’ could be

The major product of the following reaction is :