Allyl isocynide has

Question

$(a)\;9 \sigma \; and\; 4\pi\;bonds \\(b)\;8 \sigma \; and\; 5 \pi\;bonds \\ (c)\; 9 \sigma, 3 \pi \; and\; 2\;non-bonded\; electrons \\ (d)\; 8 \sigma, 3 \pi \; and\; 4\;non-bonded\; electrons$