1. It is very easy to acquire bad habits, such as eating too many sweets, or consuming alcohol.
A. In case of addicts of drinks, alcohol is not at all necessary in any way to anybody.
B. The more we do a thing, the more we tend to like doing it.
C. Millions of people do without it.
D. This is called the 'force of habit.' 6. In view of the disadvantages, total prohibition is enforced in some states.
Option(a) is not correct because D is not a suitable sentence to precede sentence 6. Options (c) & (d) are not correct because the D following A does not make any sense. Option (b) is correct because sentence D is a continuation of B - habit in D refers to 'the more we do . . . . .' in D.