With Regard to a Limited Partner's Capital Contribution to the Limited

With regard to a limited partner's capital contribution to the limited partnership:

A) a limited partner may contribute no more than 49% of the partnership's capitalization.
B) an oral promise by a limited partner to contribute to the limited partnership is enforceable if the partnership has given consideration to induce the promise.
C) a limited partner is liable to the partnership for the difference between the contribution actually made and that which is stated in a signed writing promising a certain contribution.
D) the limited partner can only contribute cash.