Number 3 my guy because 470 miles of track.
To my mind, the answer ( B ) is the inappropriate sentence. In a formal writing informal tone must be avoided as well as colloquial expressions.
Answer:
Hinted or suggested.
Example: situation where boredom is implied.
Answer:
The correct answer is option A
Many scientific theories that are mentioned in the novel have been applied in real life.
Explanation:
Some of the inventions that Mary Shelley describes in her novel Frankenstein are now applicated in real life such as the stimulation of frog nerves.