I believe it’s B) the others are not linked together in base pairs
This is partially true. There are many contributing reasons but this is one.
Your answer would be cartilage
A good rule of thumb is to give yourself at least 24 hours to decide if buying something is a need, or just a random impulse purchase, by “sleeping on it.” That allows enough time for your impulse to settle down so you can approach the purchase with a clear mind if you really do need it.
Im going to say D, tell me if im right