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Gmat sentence correction #303

For this question, could you please explain why B and D are wrong? Thanks

B is simple, the logical subject for beginning is “England”. Trust me, England was not established in 1788.

For “D”
“for” is followed by a/an/a number + time noun (such as week, year, day)
e.g. I have stayed in my apartment for 2 days.

“during” cannot be followed by time noun
e.g. I watched a movie during my stay at home.

“over a period of” + time is an idiom

Thank you. It’s very clear now:)