Answer: 3. Metaphor
Explanation: The text compares two things without using like or as
The sentence that has a verb in the active voice is B. Guglielmo Marconi perfected a type of radio technology.
The rest of the sentences have their verbs in the passive voice. If you wanted to make a passive sentence out of B, you would say - A type of radio technology was perfected by Gugliermo Marconi.
it would be the third option but next time please give the choices
Answer:
Some people might not have saved a lot of money during their time working. Therefore, not having enough funds saved up in order to retire. Things are also more expensive than they used to be, causing old people to spend more money.
Explanation:
Casual conversation, friendly letters, a public address