The Binary Ice Cream Shoppe sells two flavors, vanilla and chocolate. On Friday, the ratio of vanilla cones sold to chocolate cones sold was 2 to 3. If the store had sold 4 more vanilla cones, the ratio of vanilla cones sold to chocolate cones sold would have been 3 to 4. How many vanilla cones did the store sell on Friday ？（）

A.32

B.35

C.42

D.48

E.54

“情绪”是一种复杂的心理历程，指个体受到某种刺激所产生的一种身心激动状态，包含哪几个层面（）。

A.心理感受

B.心理认知

C.生理变化

D.外显行为