根据以下材料，回答以下各题。


注：我国该年度科学研究与试验发展经费支出总额3003.1亿元。

该年度我国企业的“科学研究与试验发展经费支出”中，用于应用研究的约比用于基础研究的多（）。

A．-2.7
B．2.7
C．-2.8
D．2.8

A．After the work to build the interstate highway system started.
B．When driving trips became popular.
C．After many roads were paved.
D．After new cars were mad