Read the following sentence. if the antecedent is clearly associated with the pronoun, select "correct." if the antecedent
is ambiguous, select "ambiguous."
my backpack was on the bus, but now it's gone.
correct or ambiguous

cabeza de vaca was an spanish explorer and n his long exploration of 11,000.km. from florida to present-day mexico, he went through a series of calamities and setbacks that only added to his deeds. he applied his religious creed with the humanist idea, always current and universal, that all men were equal before god and destiny without any discrimination. as an explorer, he became a slave to the tipinoga, then his shaman pointer, later and after an operation of heart to an indian (from which both came alive) he achieved stardom and became a hero followed by a crowd that professed unusual respect and admiration.

i cannot see any of the options                                                                        

“there are three different methods of direction observation with intervention: parrticipant observation structured observation and field experiments . “ hope this

what is this from, i cant tell what language he uses without the piece of literature