Question

Choose the answer that best completes this scenario.
____ el texto de Ana ?
No, no entiendo para nada.
A. Entiendo
B. Entiendes
C. Entienden
D. Entendemos

Answer 1

B because in English it would be do YOU understand the Ana's text? Plus it's a question and it can't be A because you don't ask yourself question. But C and D can be possible answers but B is just a more likely said question.

Answer 2

B. Because it's a question and your asking somebody else if understands Ans's text...

So it will be: ¿Entiendes el texto de Ana?