The invention of the chip greatly _______ the development of puter science; ______ the puter science stepped on the freeway of rapid development.
A.improved; after that
B.advanced; after that
C.quickened; after which
D.advanced; after which
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B解析第一空考查词义辨析：improve提高，改善，advance促进， quicken加快， 第二空考查定语从句用after which 引导，句意是：芯片的发明促进了电脑科技的发展，之后电脑科技在快速发展的高速上加快发展。选B