Suppose Congress Decided It Was Unnecessary to Have Two Carolinas

Suppose Congress decided it was unnecessary to have two Carolinas (North and South) , two Dakotas (North and South) , and both a Virginia and West Virginia. Could Congress pass a law changing these six states into only three states (Carolina, Dakota, and Virginia, respectively) ?

A) Yes. As the higher level of government, Congress has the right to create and abolish state boundaries and governments.
B) Yes. As the level of government with more authority and power, Congress can make such a decision if it can show that the unification of these states would be beneficial to the entire country.
C) Yes. Since state governments are subnational governments, the national government (Congress) can redraw state boundaries as necessary.
D) No. States have constitutionally protected status and cannot be abolished unilaterally by the central government.
E) No. Congress cannot redraw state boundaries but the Supreme Court could rule in favor of redistricting and force the states to redraw their boundaries.