Which of these is a more recent structure?
A pyramid built in 7 BC
BC stands for Before Christ.
So, 7 BC means 7 years before Christ was born.
10 BC means 10 years before Christ was born.
76 BC means 76 years before Christ was born.
78 BC means 78 years before Christ was born.
∴ The pyramid built in 7 BC is the most recent structures of the given options.