An subordinating conjunction makes clauses dependent. So your answer is D.
Answer:
c. the narrator knows the thought of all the characters
The first thing the taxpayers can do if they want more information is to visit the website www.irs.gov. This was clearly stated on the form. Therefore, the correct option is C.
In experimental physics, reverberation produces echo and thus makes undesirable sound. An echo is a sound reflected off of a surface. In a big hall, it interferes with the actual sound. It gives confusion when people are having a conversation.
The last sentence is an example of a comma splice since 2 independent clauses are connected by only a comma(it needs a coordinating conjunction after the comma or change it to semicolon or period)