For Paley, Why Wouldn't We Stop Supposing Someone Created the Watch

For Paley, why wouldn't we stop supposing someone created the watch if we find out it is imperfect?

A) Because watches are different from rocks
B) Because it is still unlikely to be a natural feature of the heath
C) We would stop supposing the watch was created by someone if we find out it is imperfect
D) Because the purpose of the watch would still be evident