What are A,B,C in the following reactions,
(i) `(CH_(3)CO_(2))_(2)Ca overset(Delta)toA`
(ii) `CH_(3)CO_(2)H underset("red P") overset(HI)toB`
(iii) `2CH_(3)CO_(2)H overset(P_(4)O_(10))toC`
A. `A-C_(2)H_(6)`, `B-CH_(3)COCH_(3)`,`C-(CH_(3)CO)_(2)O`
B. `A-(CH_(3)CO)_(2)O,B-C_(2)H_(6),C-CH_(3)COCH_(3)`
C. `A-CH_(3)COCH_(3),B-C_(2)H_(6),C-(CH_(3)CO)_(2)O`
D. `A-CH_(3)COCH_(3),B-(CH_(3)CO)_(2)O,C-C_(2)H_(6)`
