A huge lunar meteorite that crashed down to Earth thousands of years ago is going up for auction and people expect it to sell for over half a milli...

A huge lunar meteorite that crashed down to Earth thousands of years ago is going up for auction and people expect it to sell for over half a million dollars. Tricia Eaton, the auctioneer, said that it felt incredible to hold a piece of the moon. The rock is special (1)_____

its size lunar meteorites found on Earth are usually as big as an apple. People found the 5.4-kilogram rock in a desert in Mauritania (a country in north western Africa) last year.

Which conjunction completes the gap above?

A) because of.

B) in spite of.

C) then.

D) additionally.

E) however.