某份竞赛试卷共20道题，每一题答对得10分，答错或不答扣5分，小明得分超过了90分，则小明至少答对了（ ）道题。
13
下列关于食品添加剂的叙述中不正确的是[ ]
A、醋可同时用作防腐剂和调味剂
B、亚硝酸钠可以用作防腐剂，但不宜过量
C、我国应禁止使用味精
D、苯钾酸钠可用作食品的防腐剂
On 9 December, James Joyce experienced one of those coincidences which affected him ______ at the time and which later became material for his books.
A. inadequately B. systematically C. profoundly D. simultaneously
