you sit in front of the puter all day while working, you’d better take exercise for at least an hour every day.
A. Even if
B. Even though
C. Now that
D. As if
网友回答
A. Even if
B. Even though
(答案→)C. Now that
D. As if
解析：考查连词。Even if，Even though即使，甚至；Now that由于既然；As if仿佛，好像。句意：由于你每天都在电脑前工作，你最好每天至少锻炼一小时。所以选C。