问题补充:
I found them at a table, in thought.
A. seated; losing
B. seated; lost
C. seating ; losing
D. seating; lost
答案:
A. seated; losing
(答案→)B. seated; lost
C. seating ; losing
D. seating; lost
解析:考查非谓语动词,第一空考查过去分词作宾补,应用seated,意思是“坐”的时候,没有seating形式,第二空考查过去分词短语作状语,lost in thought,在这里表示伴随,所以选B。