Hi !
to come = infinitive
come = present
came = past
come = past participle (I had come)
to come is an irregular verb : come / came / come
hope I helped
Answer:
Possibly...
Explanation:
refer to:
https://medium.com/carethinkcreate/nick-is-gay-and-why-knowing-this-is-essential-to-reading-the-great-gatsby-f8b76534dce9
Answer: doctors were concerned about protecting patients from germs.