the ones in qotations are the underlined words
In which sentence is the underlined word a present participle?

A.) “Having" adapted to pressure changes, dolphins’ lungs enable them to dive below the ocean’s surface.
B.) It is "exciting" to see the raised head of a dolphin in the water!
C.) "Swimming" dolphins need to break the surface for air every two minutes.
D.) When dolphins are above the water, they are "breathing" air.

Question

the ones in qotations are the underlined words 
In which sentence is the underlined word a present participle?
 	
	A.) “Having" adapted to pressure changes, dolphins’ lungs enable them to dive below the ocean’s surface.
	B.) It is "exciting" to see the raised head of a dolphin in the water!
	C.) "Swimming" dolphins need to break the surface for air every two minutes.
	D.) When dolphins are above the water, they are "breathing" air.

anonymous · Answer

and need help on others after this one