Respuesta :

Hello John, The answer you are looking for is A. Basalt. This rock is also igneous but it is extrusive. 
A basalt is an extrusive igneous rock 
B diorite  is intrusive igneous rock 
C gabbro is intrusive igneous rock 
D granite is intrusive igneous rock 

so your answer should be               A Basalt 

hope this helps