Simile and metaphor. I have done this kind of question before
Answer:
C. magnetic levitation train
Explanation:
The term/word Maglev has two defintion clues.
1 Within the word
it contains Mag- which means it has some relation with magnet. And, it contains -lev which means it has some relation with levitation.
2 Within the cotext (words surrounding a node or another word)
The words after Maglev are<em> "or magnetic levitation train" </em>which means Maglev is a magnetic levitation train.
Options A and B are incorrect because we find no such clues in the text.
