Answer:
She should become an architect; there will likely be an increase in the number of jobs available.
Step-by-step explanation:
If Erin is interested in a career related with architecture and construction cluster, she should apply for a career that it's related with that, and architecture fits perfectly for her. Basically, the answer of this question is based on Erin's motivation, vocation and likes, because choosing a career with no interest about it, it will represent a frustration for Erin.
On the other hand, the availability of this kind of jobs is not shown in the statement. However, architects always have enough jobs to make a living, because they are in charge of the architectural design of edifications, like houses or building, which is always needed.