Android activity restarts incorrect action after application “kills” system

Question

I have an application with several actions. I enter my application, go from the action A> B> C. Go to the main screen. I click on the start icon, it resumes activity C. Everything is still there. However, if I repeat this, but then open 10/15 applications and try again, Android will restart operation A using the freeze frame C, B, A. Clicking back should return home, but it resumes activity C.

I tried singleTop and standard launch modes for main activity. No help!