Directions: Given below are four sentences in jumbled order. Pick the option that gives their correct order.

A. Some of these substances may be added to increase the weight of food-stuffs and may not be injurious to health.

B. They are often imperceptible but can have far-reaching effects.

C. The evil effects of adulteration of food on our health are often slow in their onset and may go unnoticed.

D. The danger obviously depends upon the substances added to adulterate food.