Figure $3\mathrm{.}1$ shows four different demand curves:

Which of the statements below is true?

Question $8$Select one:

a$.$

Graph D is perfectly elastic and Graph A is perfectly inelastic.

b$.$

Graph B is more elastic than both Graph A and Graph D$.$

c$.$

Graph B is more inelastic than Graph C$.$

d$.$

Graph A is perfectly elastic and Graph D is perfectly inelastic.