The brachiocephalic veins receive blood from the ________ and then the right and left brachiocephalic veins merge to form the ________.

A) plantar veins; dorsalis pedis veins
B) hepatic portal veins; splenic vein
C) basilic veins; superior vena cava
D) vertebral veins; superior vena cava
E) internal iliac veins; common iliac veins