(2013·四川省攀枝花市二模) we've set our mind on the goal, we must go through with the task.
A. As long as
B. Even if
C. Now that
D. If only
网友回答
A. As long as
B. Even if
(答案→)C. Now that
D. If only
解析：选C 考查状语从句。句意：既然认定了目标，我们就必须实现它。now that“既然，由于”，引导原因状语从句，符合句意。as long as“只要”，引导条件状语从句；even if“即使”，引导让步状语从句；if only“要是……就好了”，通常表示假设的情况。