Which stimulus should be MOST easily learned as a specific phobia?

Question

Quizplus · Accepted Answer

Small spiders are known to be a common and easily learned specific phobia due to their potential to be perceived as threatening and their prevalence in many environments. Guns and cars may be associated with danger, but they are not as common or ubiquitous as spiders. Rotten fruit is not typically associated with danger, and therefore less likely to be learned as a phobia.

Which Stimulus Should Be MOST Easily Learned as a Specific