The answer is C. The model is inaccurate because the base pairs are incorrect.
A fun way I remember how the bases pair with each other in DNA is A for apples, T for tree. A(adenine) and T(thymine) belong together, just as apples belong in trees. C is for car and G is for garage. C(cytosine) and G(guanine) belong together just as a car belongs in the garage. I hope this helped!
