题目内容：
回答题：Look at the charts below. They show laptop sales compared to mobile phone sales offered by eight different towns during a three-period of time.
Which chart does each sentence (11-15) describe?
For each sentence, mark one letter (A-H) on your Answer Sheet.
Do not use any letter more than once.
A．
B．
C．
D．
E．
F．
G．
H．
Although Laptop sales started higher than Mobile phone sales, it lost the leading position when both dipped in the middle of the period.
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答案解析：