You are weeding your garden when you accidentally expose some roots of your pea plants. You notice swellings (root nodules)on the roots and there is a reddish tinge to the ones you accidentally damaged. Most likely your peas plants
A) suffer from a mineral deficiency. B) are infected with a parasite. C) are benefiting from a mutualistic bacterium. D) are developing offshoots from the root. E) contain developing insect pupa.