Possible twins?

Amy • Mom to 4 beautiful girls. 3/3/10, 4/27/14, 4/8/17, 3/7/19.

Friend posted this. To me it looks like there’s two yolk sacs. I don’t know how far along she was when she got the ultrasound but she’s barely 8 weeks at this point. Am I crazy or do i just really not know how to look at ultrasounds? 😂