This can be different for each person you ask
one reason is you can play the book out how you want to, imagine the characters your way, what the place looks like, etc. With a movie that is taken away from you. You are told how everything looks, and the movie/TV van leave out many stuff from the book
Answer A makes sense for me
the other sentence is B therefore
because therefore means so
my teacher was very ill therefore (so) a substitute was called to finish the day
A. Wolfson, Elijah. “Newsweek Names a Mars Crater.” Newsweek. Newsweek, 28 Feb. 2014. Web. 1 Mar. 2014.
B. Herman, Barbara. “Where’s the Fire?” Newsweek. Newsweek, 24 Oct. 2013. Web. 25 Feb. 2014.
D. “A Mighty Girl.” N.p., n.d. Web. 26 Feb. 2014.
Mammals (Mammalia) are a class of vertebrate homeothermic amniotes (of "warm blood") that possess milk-producing mammary glands with which they feed the young. Most are viviparous (with the notable exception of the monotrematas: platypus and echidnas). A clear example of a mammal is man and his best friend, the dog.
This should not be included in the notes, because it is scientifically approved that mammals have the capacity to produce milk and give this food to their young, which is vital for humans or dogs as in the example
<span>the words that the appositive renames or further identifies - checks and bonds</span>
