Which of the nets given below will generate a cone?

Option (a) cone is a three-dimensional shape which have circular base and it tapers from a base to a point called vertex. This figure have circular base so it is the correct answer.

(b) this figure does not have any circular base so it is not the correct answer.

(c) this figure does not have any circular base so it is not the correct answer.

(d) this figure does not have any circular base so it is not the correct answer.