I believe the answer is <span>C. Several shoppers bought milk, and others bought bottled water.
Option A is wrong because it need a comma after the word 'Then'
Option B is wrong because the comma should be placed before the word 'But'
Option D is wrong because it does not need another comma after the word 'But'
</span>
The clairvoyant principal always seemed to know when trouble was afoot.
We call them as vegetarians
