题目：
—Learning a language isn't easy. It takes time.
—I agree.（）. There's no shortcut.
A. All roads lead to Rome
B. Rome wasn't built in a day
C. Practice makes perfect
D. Slow but sure wins the race
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B解析：由图表可以看出，2002年人口突破950万大关，故选B。
