单选题 .  ①The most dramatic changes that took place during the seventeenth century in French culinary techniques concern seasoning. ②The strong flavors of the Middle Ages still had some adherents but were increasingly rejected in favor of sauces made with fat, which were thought to preserve more natural flavor. ③While spices still figured in about two-thirds of recipes, a proportion just as high as in the Middle Ages, they were used more sparingly. ④This statement is difficult to prove on the basis of cookbooks alone, because recipes were still imprecise. ⑤However, there are the reports of French travelers, who complained of foreign cooking too spicy to eat. ⑥Such complaints, which do not appear until the mid-seventeenth century, attest to a change of sensibilities.33.  According to the passage, during the seventeenth century the French increasingly developed a taste for ______