The answer is C, both end marks and commas are in the right place.
A pronunciation guide is a KEY TO HELP YOU UNDERSTAND THE SOUND OF PRONUNCIATION SYMBOLS.
A pronunciation guide refers to a guide which show how words are to be pronounced, this is usually shown in the form of a list of symbols. The symbols used always integrate articulation, stress and intonation. Dictionaries typically include pronunciation guide which show how to correctly pronounce words.
B. My father live in a high-rise apartment building whose glass walls have a creepy effect when you look through them.
