I’m not 100 percent sure but it’s most likely answer choice A
Behavioural genetics (Commonwealth English) or behavioral genetics (American English), also referred to as behaviour genetics, is a field of scientific research that uses genetic methods to investigate the nature and origins of individual differences in behaviour.
The correct answer is contentment
Pretty much everyone in absurd plays is full of discontent. Often it even turns into anger and madness, raging fury, or something similar. But they are usually never satisfied, or happy, or anything of the positive things.