\[\underset{\left( {{C}_{5}}{{H}_{10}}O \right)}{\mathop{\left( X \right)}}\,\xrightarrow{{{H}_{3}}{{O}^{+}}}Y+Z\]      ( $$Y$$  and $$Z$$  both give \[\left( {{C}_{6}}{{H}_{10}}O \right)\]   the Iodoform test). The compound $$X$$  is -

A.

B.

C.  

D.

Answer :  

Solution :