I think d is correct answer
It's Fuerte for man and woman same as one person or other but if you have multiple-choice and is not in there then it has to be Fuertoso singular and for plural fuertes or fuertosos. they are less common do.
Hope I had helped.
Hi! I speak spanish very well. If you need help, send me a messege.
1.- La madre de Lisa se llama Maggie
2.- Los abuelos de Bart se llaman Abraham y Mona
3.- La prima de Maggie se llama Ling
4.- Las tías de Lisa se llaman Patty y Selma
5.- La esposa de homero se llama Marge
It would be Arroz con pollo