Cooks of the Ancien Regime were restricted because of . A. a lack of demand for professional cooks
B. guilds
C. a lack of culinary information
D. a drought that destroyed crops

B.

Explanation:

In the history of beginnings of French Cuisine, Ancient Regime was the period between the 1500s to 1700s. In this period, it is said that culinary skills did not developed because of restrictions in guilds.

At that time, guilds were bound with certain restrictions, they were assigned to engage in certain kinds of food and business only. These guilds were under government's guidance. Guilds were divided into two groups-- one who sold the raw food such as butchers, traders, etc; other group were those who provided food such as bakers, poultryman, etc.

Thus the correct answer is option B. They were restricted due to restrictions in guilds.

c: in the east might be the correct answer

the answer is a. monarch