For this case, the first thing we must do is the translation of the sentence in English.
We have then:
The _________________ contain subjective information and personal opinions of the writer about a place.
We must now look for the words that fill in the blank correctly.
For this case we have:
The travel blogs contain subjective information and personal opinions of the writer about a place.
The translation of the complete sentence in Spanish is:
Los blogs de viaje contienen información subjetiva y opiniones personales del escritor sobre un lugar.
Answer:
C. blogs de viaje