Answer:
Music. Find lofi or instrumentals or beats of your favorite songs. Some say music makes your focus bad, but it provides an incentive and helps me slip into the zone. As long as it isn't heavy rock or energetic pop, just some calming music without lyrics, it helps you relax and focus.
If you could give me your insta I might be able to help more by basing it off your interests. Feel free not to though.
A is wrong you wouldn't say "is" you would say are.
B is wrong to because "was" is not the correct verb to use.
D is wrong because key, should be plural, keys
C is correct, because it has subject and verb agreement.
In this context, the term appealing means desirable. Rather than applying the other meaning of appealing which is to call for sympathy, it is a more fit and relevant observation that the model of resistance is a much more desirable alternative than that of war.