Which sentence uses punctuation correctly?

A.
The discovery which was the first of its kind, in several years, caused an international stir.

B.
The discovery, which was the first of its kind in several years, caused an international stir.

C.
The discovery, which was the first of its kind in several years caused an international stir.

D.
The discovery which was the first of its kind in several years, caused an international stir.

(Kinda Thinking B)

Question

Which sentence uses punctuation correctly?	
 
 A.
The discovery which was the first of its kind, in several years, caused an international stir.
 
 B.
The discovery, which was the first of its kind in several years, caused an international stir.
 
 C.
The discovery, which was the first of its kind in several years caused an international stir.
 
 D.
The discovery which was the first of its kind in several years, caused an international stir.

(Kinda Thinking B)

tanya123 · Answer

Its D, cause there isn't any need for a comma after discovery.

indiiavery · Answer

Thank you.