You already have scored your goal score! You proved you are capable of getting that so just trust yourself. You have put in the time and effort. Just try to relax and know that you are capable!

I chose AC A because I thought when the last paragraph mentioned "it would be necessary to identify many additional organic compounds that bind to circuit-component materials" it meant additional DNA research could be used to fill in the missing pieces of their work.

Can someone please explain why this does not support AC A?