(A)
they would cause interest rates to rise and then decline
(B)
they would mean that interest rates would rise and then decline
(C)
that they will cause interest rates to rise and then decline
(D)
that the increase would cause interest rates to rise and then decline
(E)
that the increase would cause interest rates’ rising and subsequent declining
it should be "determined that"
therefore A and B can be eliminated
among C/D and E
(C) that they will cause interest rates to rise and then decline
economists cannot themselves cause the interest rates to rise and then decline thats completely wrong
(E) that the increase would cause interest
rates’ rising and subsequent
decliningE is wrong its a jumbler - the verb-ing words are wrong wrt the actions in this sentence
(D) that the increase would cause interest rates
to rise and
then declineD is parallel and idiomatically correct
D is the correct option