Read the following article and answer the question by choosing from the options.

My boyfriend at the time , who was asleep , jumped up , and poor Fred , who was n't a mouse at all , flew straight into him .

Why would the boyfriend be jumping up despite being asleep .
Select from the following. [I] The boyfriend was dead asleep .. [II] The boyfriend was passed out .. [III] The boyfriend was fast asleep .. [IV] None of the above choices .....A:
[IV]