What May Explain the Increase in the Rates of ASD

Multiple Choice

What may explain the increase in the rates of ASD in developed countries in recent decades?

A) Disorders once diagnosed as bipolar disorder are now diagnosed as ASD.
B) Physicians in many countries now routinely screen toddlers for ASD.
C) There is now increased access to healthcare and screening services.
D) Toddlers introduced to technology as infants may trigger ASD development.