I'm not sure if this is what you're looking for, but I think you're missing the verb "dijeron" after me and before que.
Answer: C
Explanation: I believe that is C and I hope this is right for you
Answer:
D: Lo siento, no puedo
Explanation:
The ending says "I have to work" so Lo siento, no puedo" --> I'm sorry, I can't" would make the most sense
I hope this helps!