Final answer:
Aspinwall suggests that b)optimism is a resource enabling constructive engagement with difficult information, contributing to better assessment of trustworthiness and adaptation to future concerns.
Step-by-step explanation:
Aspinwall views optimism as a resource that allows people to engage constructively with potentially frightening information. Optimism here is seen as a valuable psychological trait that enables individuals to approach challenging or negative situations with a positive outlook, which can help in dealing with those situations in a constructive way. This perspective supports the idea that an optimistic attitude can lead to better assessment of the trustworthiness of various information sources and can help individuals to adapt to future concerns, including those related to resource availability, in a manner that is both proactive and resilient.