74.34歲男性,車禍外傷,劇烈頭痛,意識混亂,CT影像圖A可見左臉頰腫脹,根據圖B箭頭所指的是: 
(A)contusion parenchymal hemorrhage
(B)traumatic subarachnoid hemorrhage(SAH)
(C)thin layer acute subdural hematoma(SDH)
(D)traumatic pneumoencephalus
parenchymal hemorrhage = ICH
contusion = 群聚大小不一的點狀