is An option-FrEE BonD’s priCE sEnsitivity positivEly CorrElAtED with thE:BonD’s Coupon rAtE lEvEl oF mArkEt intErEst rAtEs ①
A、 noyEs ②B、 no no ③C、 yEsno
A、

A、①

B．

B、②

C．

C、③