In Contemplation of Death During Sur?gery, Donnelly Gives His Guitars

In contemplation of death during sur?gery, Donnelly gives his guitars to Ezri. The surgery is successful, and Donnelly recovers from the operation. The gift of the guitars is

A) not revoked because it was a gift causa mortis.
B) not revoked because it was a gift inter vivos.
C) revoked because it was a gift causa mortis.
D) revoked because it was a gift inter vivos.