VKat wrote:
Expert, why option a is correct?
In my knowledge, 'had' is used when there are 2 actions being done in the past, and the action which was performed first in the past will use 'had'..
But here, there are no two past actions, so why had is used?
You are correct in your understanding that past perfect is used to denote the sequence of two past events. In this question, we have 3 past events :
1. President Carlos Salinas reformed the Clerical Laws (occurred in the past)
2. the Clerical Laws had
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