Context: My youngest brother had a surprise waiting for me when I went next door after work this afternoon . He came out with what looked like a book at first and I asked him if it was for me . Well , it was for me and it 's ' The Last Unicorn ' movie on DVD ! Was I excited and my jaw dropped open .
Question What may be the reason for their jaw dropping open ?
Possible answers:
Options are:
*Because they were bored .;
*Because they were thirsty .;
*Because they were so surprised .;
*Because they were hungry .;
The answer:
Because they were so surprised .