The correct answer is: A. 1
A type III PC card is a type of PC card that is 3.3 mm thick. It is the largest type of PC card and can hold up to 32 MB of data. Laptops typically have one slot for a type III PC card.
A type II PC card is a type of PC card that is 2.1 mm thick. It is the most common type of PC card and can hold up to 16 MB of data. Laptops typically have two slots for type II PC cards.
A type I PC card is a type of PC card that is 1.6 mm thick. It is the smallest type of PC card and can hold up to 8 MB of data. Laptops typically do not have a slot for a type I PC card.
Therefore, the maximum number of type III PC cards that can be inserted in a laptop is 1.