Duration gap analysis

Question $12$ options:

A$)$

is a refinement of basic gap analysis that accounts for interest$-$rate changes over a multiyear period.

B$)$

is a refinement of basic gap analysis that accounts for how long a gap will last.

C$)$

is a complement to basic gap analysis that accounts for the effect of interest rate changes on market value.

D$)$

is a complement to basic gap analysis that accounts for the influence of partially rate$-$sensitive assets.