I didn’t quite follow him because he explained the theory _____that is too abstract for me.

   A. out of the way   B. on the way    C. in a way    D. by the way

I didn’t quite follow him because he explained the theory _____that is too abstract for me.

1. A.
   out of the way
2. B.
   on the way
3. C.
   in a way
4. D.
   by the way

 I didn’t quite follow him because he explained the theory _____that is too abstract for me.

   A. out of the way   B. on the way    C. in a way    D. by the way

I didn’t quite follow him because he explained the theory _____that is too abstract for me.