题目内容：

Questions are based on the following passage.

1.

A.Boston Cooking School B.Toll House Inn.

C.A chocolate company. D.Nestle's branch

2.

A.Mix smashed chocolate with other ingredients and baked it.

B.Cover the surface of the cookies with melted chocolate.

C.Spread butter on semi-sweet chocolate desserts.

D.Shape melted chocolate into thick pieces.

3.

A.She kept it as a secret. B.She sold it to Nestle.

C.She applied for a patent D.She shared it publicly.