Final answer:
The decision to leave Corpus Christi was made in 1967.
Step-by-step explanation:
The decision to leave Corpus Christi was made in 1967. It is important to note that this decision refers to a specific event or context which is not provided in the question. Therefore, without further details, it is difficult to determine the exact reason behind this decision.
However, based on the given options, the correct answer is option C, 1967.