5[单选题]
<span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'">Professor Parker's lecture was very<u><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></u>. It was one of the best lectures I've ever attended</span>

A.impressed

B.impressive

C.outdated

D.obscure