21. It was raining．I went into a café and asked for a coffee． 21 I was waiting for my drink, I realized there were other people in the place, but I sensed 22 ．I saw their bodies, but I couldn’t feel their souls 23 their souls belonged to the 24 .I stood up and walked between the tables．When I came to the biggest computer, I saw a thin, small man 25 in front of it．“I’m Steve,” he finally answered after I asked him a couple of times what his name was．“I can’t talk with you．I’m 26 ,”he said．He was chatting online and, 27 , he was playing a computer game—a war game．I was 28 .Why didn’t Steve want to talk with me? I tried 29 to speak to that computer geek(怪人), 30 not a word came out of his mouth．I touched his shoulder, but no reaction(反应)．I was 31 ．I put my hand in front of the monitor, and he started to shout, “ 32 !”I took a few steps back, wondering if all those people in the café were looking at me．I 33 , and saw nobody showed any interest.34 , I realized that the people there were having a nice conversation with their machines, not with people．They were more 35 having a relationship with the 36 , particularly Steve．I wouldn’t want to 37 the future of human beings if they preferred sharing their lives with machines 38 with people.I was worried and sank in my thoughts．I didn’t even 39 that the coffee was bad, 40 Steve didn’t notice there was a person next to him.
(A)Before
(B)Since
(C)Although
(D)While