What is the tense of the underlined verb?

The divers have known the position of the underwater shipwreck since last week.

A.
past

B.
future perfect

C.
past perfect

D.
present perfect

Question

What is the tense of the underlined verb? 

The divers have known the position of the underwater shipwreck since last week.
 
 A.
past
 
 B.
future perfect
 
 C.
past perfect
 
 D.
present perfect

crystal_bliss · Answer

I would say this is present perfect.

awolflover1 · Answer

Please do not post direct answers! This is a direct violation of the CoC. Please guide the user into the right answer, and explain to them. thanks!

crystal_bliss · Answer

oops sorry i was going to though.

anonymous · Answer

thx you