A、<p><span style="font-size:14px;font-family:宋体">利率上升0.1个百分点,债券的价格将下降0.257元</span></p>
B、<p><span style="font-size:14px;font-family:宋体">利率上升0.3个百分点,债券的价格将下降0.237元</span></p>
C、<p><span style="font-size:14px;font-family:宋体">利率下降0.1个百分点,债券的价格将上升0.257元</span></p>
D、<p><span style="font-size:14px;font-family:宋体">利率下降0.3个百分点,债券的价格将上升0.237元</span></p>