O deeds Whiteacre "to A for life, and then to A's grandchildren and their heirs." What set of facts, if present at the time of the conveyance, would result in the future interest in A's grandchildren NOT being invalid under the common law Rules Against Perpetuities?

A) A's wife is still living, A's three children have already died, and A has no grandchildren.

B) A's wife is deceased, A has three children still living, and A has no grandchildren.

C) A's wife is still alive, A has three children who have already died, and A has two grandchild.

D) A's wife is deceased, A's three children have already died, and A has no grandchildren.