单选题

______ the heat to a simmer and continue to cook for another 8—10 minutes or until most of the water has evaporated.
A. Turn off B. Turn over C. Turn down D. Turn up

【正确答案】 C

【答案解析】“把火拧小到煨炖饭菜的那个点”。因此应用turn down“关小”。turn off关掉；turn over翻转；turn up开大。