Answer:
D.) Time flies when you're having fun.
Step-by-step explanation:
(ASD) Which means Autism Spectrum Disorder is a spectrum disorder that alters the way children interact and communicate with others. ASD is developmental problem and it grows, develops with children with this disorder.
There are symptoms that children with ASD usually posses which are;
1.)Problem with eye contact
2.)Slow learning (when trying to speak)
3.)Social problems
4.) Struggling with attention band organization
The sentence that a child with ASD would have the most difficulty understanding among these sentences listed is "Times flies when you're having fun" since the children with ASD are always faced with problem in communicating non verbally i.e they posses deficit in language comprehension, especially when trying to maintain eyes contact with them, when trying to make use of hand demonstration and also facial expressions.
ASD cannot be cured currently since there is no medicine for it but there are drugs to relieve them of focusing , depression.