假设甲乙丙丁四位同学回到商周时代，请判断那位同学被封为诸侯王的可能性小   （   ）

A．甲是商朝末年的贵族，带兵抵抗周部落进攻，兵败后降周

B．乙做了商末平民，才能人品俱佳

C．丙带兵攻打商纣王，为周王朝的建立立下了汗马功劳

D．丁为西周王族成员，整日无所事事

Look at the pride on Tom's face. He______ to have been praised by the manager just now.[ ]

A. seemed  

B. seems

C. had seemed  

D. is seeming