Lawrence just found out that his best friend was killed in a car accident. lawrence's emotional state would best be described as one of shock, and he feels like his emotions will burst out of him at any moment. parkes/bowlby would most likely describe his grief state in terms of

Parkes/Bowlby would most likely describe his grief state in terms of "numbness."

Shock and numbness is the phase where there is a sense the misfortune isn't genuine and appears to be difficult to acknowledge. There is physical trouble amid this stage, which can bring about substantial indications. In the event that we don't advance through this stage we will battle to acknowledge and comprehend our feelings and impart them. We will emotionally close down and not advance through the periods of grief.

Ithink the answer you are looking for is (b).