Question

Which words in the sentence are the complete noun clause?

Whichever your brother chooses is the final decision, Erica.

A.
the final decision

B.
your brother chooses

C.
Erica

D.
whichever your brother chooses

Answer 1

A noun clause is a dependent clause that acts as a noun.

Noun clauses most often begin with the subordinating conjunction that. Other words that may begin a noun clause are :
if,
how,
what,
whatever,
when,
where,
whether,
which,
who,
whoever,
whom
and why.

http://www.noslangues-ourlanguages.gc.ca/bien-well/fra-eng/grammaire-grammar/nounclause-eng.html

Answer 2

whichever can be included on the list too

Answer 3

just took this. it is whichever your brother chooses

Answer 4

^.^