Final answer:
Without the actual article, it's not possible to determine the main idea about the solenodon; however, solenodons are notable for their venom-laced saliva and endangered status in their native habitats.
Step-by-step explanation:
The article's main idea was not provided, but based on the information given and the fact that the student is asked to read about the solenodon, it's likely that the article pertains to one of the options given: solenodon's venomous saliva, their endangered status, the presence of kallikreins in their venom, or their similarity to other small mammals. However, with the information provided in the question, it's not possible to accurately determine the main idea without speculation. What we can conclude is that solenodons are known for certain distinct characteristics, including their venom-laced saliva, which indeed helps them in hunting.
Solenodons also happen to be endangered creatures found in the Dominican Republic and Haiti, illustrating the biological diversity and conservation concerns in these regions.