Which is the structural formula of 4-methyl hex-5-yne-2-one?

Options

A. `CH_(3)-CH_(2)-underset(underset(O)(||))(C )- underset(underset(CH_(3))(|))(C H)-C -= CH`
B. `CH_(3)- CO - underset(underset(CH_(3))(|))(C H)- CH_(2)- C -=H`
C. `CH -= C- overset(overset(CH_(3))(|))(CH)-CH_(2)- overset(overset(O)(||))(C )-CH_(3)`
D. `CH -= - C CH_(2)- underset(underset(CH_(3))(|))(C H)-overset(overset(O)(||))(C )-CH_(3)`

Answer

C