Each of the following sentences in this section has a blank space with four words or group of words given. Select whichever word or group of words you consider the most appropriate for the blank space and indicate your response on the Answer Sheet accordingly.
The problem is that there isn't one formula for __________ habits. There are thousands. Individuals and habits are __________ different, and so the specifics of diagnosing and changing the patterns in our lives differ from person to __________ and behaviour to behaviour.
- Achanging
- Bchanged
- Chaving changed
- Dchanges for
Explanation
After the preposition 'for', a gerund is required: 'for changing habits'. The infinitive 'to change', the participle 'changed' and the noun phrase 'the changing' do not fit the prepositional slot. Hence (A) changing is correct.