Final answer:
Our Lady of the Gate Parish Church in Albay, known for its Baroque-Rococo structure and Spanish influence, was constructed in 1773.
Step-by-step explanation:
The church referenced in the question is known as Our Lady of the Gate Parish Church, located in Albay province, Philippines. It is reputed as one of the most visited old churches in the region. The church has a historical significance as it was made primarily of volcanic stones and demonstrates a Baroque-Rococo structure with Spanish influence. Despite being used by the Japanese as a headquarters during World War II and subsequently being damaged in 1945, it was reconstructed between 1971 and 1973. The correct answer to when it was built is option b, 1773.