It would be option d
6(4a+11a)-13(5a-2)-a+4*(7a)
You collect the like terms and remove the parenthesis
6*15a-65a+26-a+4*7a
Then you would calculate the products
90a-65a+26-a+28a
Then you would collect the like terms
52a+26
Then you would have the answer.
Hope this helped! :)