If the four-carbon skeleton is of a straight-chained alkyne: (i) How many carbon atoms may not be bonded to any hydrogen atoms? (ii) How many hydrogen atoms will there be in the compound?

(a) (i) 2, (ii) 2
(b) (i) 3, (ii) 1
(c) (i) 4, (ii) 0
(d) (i) 5, (ii) 3