题目内容：
Questions · Look at the statements below and the information on outdoor advertising on theopposite page.
·Which section (A, B, C, or D) does each statement refer to?
· For each statement , mark one letter (A, B, C, or D) on your Answer Sheet.
· You will need to use some of these letters more than once.
Lighting system of billboard changes seasonally, which is remote-control.
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