Answer:
Oetzi, the Iceman of the Alps, has been discovered by hikers.
Explanation:
A is not correct because the scientists were not first on the site, they were not among the first several groups for that matter.
B is not correct because the park ranger that visited Oetzi's body was second to do so.
C is correct because the mummy named Oetzi was discovered by two German tourists, hikers, who actually thought it was a recently passed person, not ancient remains.
D is not correct because Oetzi's family has been dead for thousands of years.