3. reading my favorite book, the pages began to fall out.

this sentence contains a dangling modifier. which sentence corrects the mistake?

question options:

a)
having read my favorite book, the pages began to fall out.

b)
the pages began to fall out when reading my favorite book.

c)
while reading my favorite book, the pages began to fall out.

d)
reading my favorite book, i saw that the pages began to fall out.