The number of sigma $(\sigma)$ and pi $(\pi)$ bonds in pent-2-en-4-yne is :-

Question

( A ) 10$(\sigma)$ bonds and 3 $(\pi)$ bonds
( B ) 13$(\sigma)$ bonds and no $(\pi)$ bonds
( C ) 11$(\sigma)$ bonds and 2 $(\pi)$ bonds
( D ) 8$(\sigma)$ bonds and 5 $(\pi)$ bonds