Question

Esperamos que _____ concentrarse. A. saben B. sabemo C. sepan D. supieron I thinks it a is that right

Answer 1

its C. sepan because i know alot of spanish and it sound a lot more fluent in a way 

Answer 2

No, it's actually not A.

If you look at 'Esperamos", it is conjugated in the -amos form, or nosotros, so the correct answer is B.