Which choice shows the correct use of a hyphen or hyphens?

The answer will be listed below.

Explanation:

There are many uses of the hyphen in english. One way to use a hyphen is to join two or more words serving as a single adjective before a noun. Another way to use a hyphen is with compound numbers. Also use a hyphen to avoid confusion or an awkward combination of letters. If you let me know what the choices are, I might be able to answer it for you and tell you why.

just to , the answer is b on edge

a complex sentence consists of an independent clause and one or more dependent clauses.  

to write complex sentences, we must use subordinating conjunctions.  

all the complex sentences begin with a subordinating conjunction and when it occurs, a comma must be place at the end of the dependent clause. on the contrary, if the sentence begins with an independent clause, then no comma is used.

after  

although  

as  

because  

before  

if  

since  

when  

for example,  

after she won the competition, she became very popular.  

although my father was hurt, he continued fighting for his rights.  

as all of you got a ten, you will be able to leave early today.  

before he went to the war, he asked his parents to bless him.  

if it is cold, i won’t go out.  

since you didn’t bring the homework, you will get low grades.  

when it is hot in the town, everyone goes to the beach.