Answer:
4). A high level of stress.
Step-by-step explanation:
As per the given description regarding the situation of Rosemary, she is likely to experience 'a high level of stress' as she is in state of intense emotional and cognitive pressure to maintain the equilibrium/balance between her 'work life' and 'personal life' as she is new to both. She would experience an intense pressure to give her best to both and cater to the high demands and which would lead her in a state of strain to maintain both the reasons of her happiness(her new family and her new job). However, this strain would help her perform more efficiently as it assists in staying absorbed and alert. Thus, option 4 is the correct answer.