Answer:
https://clubdeescritura.com/convocatoria/ii-concurso-historias-de-familia/leer/57540/ensayo-sobre-heroinas-y-heroes/
Explanation:
The answer is A. He seems, however, to have recovered from his fright. While it should have a semi-colon instead of a comma before the "however", it is the only one that is correct. C. needs a comma after "I hope". D. does not use commas but it should have a comma after "rate". B. does not require a comma after "in".