The AB, BC, and CD Partnerships merge into the ABCD Partnership. AB (owned by Austin and Ben) contributes assets worth $100,000. BC (owned by Ben and Charlie) contributes assets worth $200,000. CD (owned by Charlie and Dennis) contributes assets worth $300,000. The capital and profits interest in ABCD is owned by: Austin, 10%; Ben, 30%; Charlie, 25%; and Dennis, 35%. ABCD Partnership is a continuation of

A.

AB.

B.

BC.

C.

CD.

D.

none of the partnerships.