I believe the answer is A
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.
The author develop the central idea across these excerpts because Alvarez shows how her lifelong fascination with her parents' life under the dictatorship was the basis for her writing.
<h3>What is an excerpt?</h3>
An excerpt refer to words, statements, ideas or phrases that is extracted from a literature or an article which pass information.
Therefore, The author develop the central idea across these excerpts because Alvarez shows how her lifelong fascination with her parents' life under the dictatorship was the basis for her writing.
Learn more about excerpt below.
brainly.com/question/21400963
#SPJ1
