If the modified duration of a bond is 2.3, whats the best interpretation?

A. 1% change in yield means a $2.3 change in price.

B. 1% change in yield means a 2.3% change in coupon rate.

C. 1% change in yield means a 2.3% change in price.

D. 1% change in yield means a $2.3 change in coupon rate.