单项选择题

A．expand and improve the existing subway system.
B．build underground malls and parking lots.
C．prevent further land subsidence.
D．promote advanced technology.
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单项选择题
Which of the following statements is INCORRECT about David’’s personal background
A．He had excellent academic records at school and university.
B．He was once on a PhD programme at Yale University.
C．He received professional training in acting.
D．He came from a single-parent family.
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influence
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