In this exercise, you have to choose the answer that is correctly written. The first sentence, ''mi padrastro favorito pasatiempo es pescar'' is not correct because it does not make sense, the order of the words in the sentence is changed. The rest of the answers, except for the correct one, are wrong because the verbs ''está'' and ''eran'' do not fit the sentence.
La oracion "me muerdo para no hacer una paralela entre los valores que se desechan y los que perseveramos" expresa una idea secundaria porque está expresando las comparaciones.
Esa frase expresa que m<em>ejor me calló para no discutir contigo</em>.