If you can give me more information on this I could help you a bit more respond.
Well, he recaptured 3 out of the 7 he marked. We can presume that the other 5 are gone. The population would be 8 robins, because 4 of the robins Julius marked were not recaptured. Therefore, the population is around 8-10 robins.
Answer:
A
Step-by-step explanation:
Choice A is directly stating what the couple is doing, without any extra information needed.