PLZ HELP WILL GIVE BRAINLIEST FOR CORRECT ANSWER!!!

Read the following sentences.

Flash mobs have been happening since 2003. Lately, they have become a trend.

Which of the following correctly combines these two sentences into a complex sentence?

A.
Flash mobs have been happening since 2003, but lately, they have become a trend.
B.
Flash mobs have been happening since 2003, and lately, they have become a trend.
C.
Although flash mobs have been happening since 2003, lately, they have become a trend.
D.
Flash mobs have been happening since 2003, lately, they have become a trend.

Respuesta :

The answer will be C (didn't mean to put the 2 star lol)

Answer:

C

Explanation:

This is because a complex sentence is made up of an independent and one or more dependent clauses. In this case, "although" renders the first sentence incomplete. Therefore, when compared to the other statements, it fits this criteria more