Red precipitate `overset(Cu_(2)Cl_(2))underset(NH_(4)OH)(larr) P(C_(5)H_(8)) overset("Ozonolysis")to` 2-Methylpropanoic acid +compound (Q) structure of P can be
A. `CH_(3)-CH_(2)-CH_(2)-C-=CH`
B. `CH_(3)-underset(CH_(3))underset(|)(CH)-C-=CH`
C. `CH_(3)C-=C-CH_(2)-CH_(3)`
D. `CH_(3)-underset(CH_(3))underset(|)(CH)-CH=CH_(2)`
