The correct option is
D Miscarry
Fall through means to fail, or coming to nothing.
“Rip apart” means to tear apart.
“Start a quarrel” means to start an argument or fight.
“Understand fully” means to get into the depth of knowledge.
“Be influence” means to have an effect over someone or something.
“To miscarry” means to fail to attain an intended outcome.
Hence option E is the correct answer because it is the correct meaning of the given phrase.