Answer:
OB) who traveled into space to take pictures.
Explanation:
A subordinate clause is a clause that adds meaning or detail to the main clause. This type of clause cannot stand on its own as a sentence and needs an independent clause to be taken as a complete sentence. Subordinate clauses are also identifiable by the presence of subordinating conjunction in the sentence.
In the given sentence, "Brian was a photographer" is the main clause while the second part of the sentence is a dependent clause. So, we can easily say that "who traveled into space to take pictures" is the subordinate clause.
Thus, the correct answer is option B.
