Answer: C) It is a dependent clause.
Explanation: an independent clause is a sentence that has complete meaning on its own (it has at least a subject, a verb and all the necessary complements), a dependent clause is the contrary, is a phrase that, in order to make sense, it needs to be with an independent clause. The given excerpt is a clear example of a dependent clause, because as we can see, it doesn't have complete sense, we can tell that it is missing something.
If raining lunchtime, (I'll remain indoors. )
Or
If it's raining at lunchtime time, (I'll remain indoors.)
(when you know it may rain)
Or
If it rains lunchtime, (I'll remain indoors. )
(when you're not sure it's going to rain)
Hope this helps!
Depends on which 9 you’re referring to. It could be nine million or nine
May I have a burger please? Make it well done and extra crispy.