Which of the following sentences contains a dangling modifier?
a.

having worked for the company for twenty years, i was surprised to learn that my retirement benefits would not be sufficient.
b.

having taught phonology every semester for the last five years, he was eager to teach syntax.
c.

after sweating in reavis hall throughout the summer, i am ready for winter.
d.

none of the above

ok so like i went to wiki and looked up the (constitution x new "hammystan")and it showed me the picture it highlights new hampshire and says first and second session and than it says that they hit up the u.s and was like "ey dude that paper u sent us was adopted it bro thx" xd syays it all on wiki/the pic

i dont really like reading so i guess other people might not like reading either so   imma put the answer in bold italics

? ? what can you explain this to me i am so confused