The answer is B because it can be easily shortened down/ make more sense without the commas to: I heard in the weather report that it's going to rain.
They want you to pick an answer that best supports the reason
The literary device used in these lines is Personification.
The personification is a figure of speech in which a thing is given human attributes. The non-human objects are portrayed in such a way that we feel they have the capacity to act like human beings. This device makes the piece more interesting to read and makes it more sensitive to the reader.
B . it shows that true control of the government rests with the people.
