Which mutation is harmful to the organism
A, a mutation allowing moths to camouflage better on blackened tree bark
B, a mutation making staphylococcus aureus resistant to the antibiotic methicillin
C, a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell
D, a mutation causing uncontrolled cell division
E, a mutation giving plant leaves a bitter taste to discourage herbivores from eating them