It's a piece of cake It's easy by itself
It's raining cats and dogs It's raining hard by itself
Kill two birds with one stone Get two things done with a single action by itself
Let the cat out of the bag Give away a secret as part of a sentence
Answer:
Please describe your question properly?
or I can't give answer.
Answer: A"At the start of the reign the majority of productions are miracle plays . . ."
In this sentence, the author indicates the structure that the text is going to follow. By stating "at the start of the reign..." he implies that the way the events will be described will be in chronological order according to how they happened throughout the reign.