B

Reasoning:  
• Eye opening to verbal command scores E3.  
• The patient is intubated, so the verbal component is not testable and is recorded as V1 (“1 T”) [Buechler 1998, PMID 9751530].  
• Spontaneous purposeful movement of all four limbs corresponds to the best motor response, M6.  
Total GCS = E3 + M6 + V1 = 10.