'Bats are mammals because bats suckle their young, and ______.' Which premise completes this argument?

AAll those who suckle their young are mammals ✓ Correct

BAll mammals suckle their young

CSome of those who suckle their young are mammals

DAll of the above

Correct answer: (A) All those who suckle their young are mammals

Explanation

The needed premise is 'All those who suckle their young are mammals'.

The conclusion is that bats are mammals, the stated reason that bats suckle their young.

To reach the conclusion the class of sucklers must lie within the class of mammals.

'All sucklers are mammals' places bats, as sucklers, inside mammals validly.

This is a valid categorical link built on a universal major premise.

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