男性，70岁，有高血压病病史20余年，今日晚餐后突发胸骨后压榨样疼痛1小时，向左肩背部放射，伴大汗淋漓，面色苍白，现患者最可能的诊断为

A.主动脉夹层

B.急性心肌梗死

C.肺动脉栓塞

D.心绞痛

E.肠系膜动脉栓塞

Consider a $10000000 1-year quarterly-pay swap with a fixed rate of 4.5 percent and a floating rate of 90-day London Interbank Offered Rate (LIBOR) plus 150 basis points. 90-day LIBOR is currently 3 percent and the current forward rates for the next four quarters are 3.2 percent, 3.6 percent, 3.8 percent, and 4 percent. If these rates are actually realized, at the second quarterly settlement date, the fixed-rate payer in the swap will:

A．

B．

C．