Answer: B. hummer 
Step-by-step explanation:
Given the array :
Given the arra
("explorer", "testa", "hummer", "corvette", "civic", "mustang")
Array indexing usually begins from 0
That is ; the first element in the array is indexed as being in position 0
Using the given array as an example :
Index ____ element
 0 ______ explorer 
 1 _______ tester
 2 _______hummer 
 3 _______ corvette 
 4 _______ civic
 5 _______ mustang
Hence, element in index 2 of the array is hummer