I_________the hobby of fishing as a child
A.built upB.set upC.kept upD.took up在线课程D
本题主要考查短语动词意义的区别。built up 意为“树立，逐步建立”；set up意为“树立(榜样)；创立；建立”；kept up 意为“坚持；继续；使不低落”； took up 意为“拿起；吸收；从事”。