3.The boy got a C in his math test last week．He _____serious about his studies and he started to spend time studying at
问题描述：
3.The boy got a C in his math test last week．He _____serious about his studies and he started to spend time studying at home.
A bacame B remind C went D turned 请问选哪个?
答
A
变得认真了
B时态不对；CD都是指物质本身的变化,如牛奶变质,树叶变黄