In this Q I have a confusion about the answer if it either C or B .... if you chose please give me an explaintion about it thanks.

7. (10 points) Consider the requests from processes in given order 300K, 25K, 125K and 50K. Let there be two blocks of memory available of size 150K followed by a block size 350K. Which of the following partition allocation schemes can satisfy above requests? A. Best fit but not first fit. B. First fit but not best fit. C. Both First fit & Best fit. D. Neither first fit nor best fit