I recognized him I saw him, though we had been apart for over a decade.
A. as soon
B. at once
C. the instant
D. the first time
网友回答
A. as soon
B. at once
(答案→)C. the instant
D. the first time
解析：考查连词。句义：我一看见他我就认出了他，尽管我们已经分开十多年了。 A. as soon 短语不对，应该是：as soon as B. at once立刻，不是连词，不加句子 C. the instant 连词，一…就…D. the first time 连词，第一次，意思不对，所以C正确。