An 8 percent coupon bond with a par value
题型：单项选择题
问题：
An 8 percent coupon bond with a par value of $100 matures in 6 years and is selling at $95.51 with a yield of 9 percent. One year ago this bond sold at a price of $90.26 with a yield of 10 percent. The bond pays annual interest. The change in price attributable to the change in maturity is closest to:（）
A. $1.03.
B. $4.22.
C. $5.25.