Neka is experiencing an identity transition.
An identity transition simply refers to a process whereby an individual disengages from a particular identity and then explores while new opportunities and eventually integrates into a different identity.
In this case, Neka has been into gardening and landscape jobs for some years but after she got her degree, she got a teaching job. This scenario explains that there's a transition regarding her identity.
In conclusion, the correct option is A "an identity transition".
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