问题：

[单选] Refer to the exhibit. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0， a voice packet is placed into the priority queue of that interface. How， and in what order， wi the packets be transmitted？（）

A . the voice packet will be transmitted first， followed by the FTP packet in its entirety
B . the voice packet will be transmitted first， followed by the fragmented FTP packet
C . the FTP packet will be fragmented and the voice packet will be interleaved
D . the FTP packet will be transmitted first in its entirety， follow by the voice packet