Rats can not resist the temptation of the good smell of the poison. They will appear and taste the poisonous food, which makes them blind and causes death within two hours.
In recent years, the rat population has increased in China to no less than three billion, an average(平均)of three persons. They eat about 15 million tons of grain each year and also spread some diseases.
According to the passage, ______ seems to be able to persuade a consumer to buy the product.

A. the pleasing color of the package
B. the special taste of the product
C. the strange shape of the package
D. the belief in the product