A·loof
əˈlo͞of/
adjective
not friendly or forthcoming; cool and distant.
"they were courteous but faintly aloof"
synonyms:distant, detached, unfriendly, antisocial,unsociable, avoidant, remote, unapproachable,formal, stiff, withdrawn, reserved, unforthcoming,uncommunicative, unsympathetic;
informalstandoffish
"part of their strategy is to remain aloof during the first stages of negotiation"
conspicuously uninvolved and uninterested, typically through distaste.
"he stayed aloof from the bickering"
It is B. I just had this on Apex
It would be the one about the hikers!
They can see their silhouettes on the hill (the outline of their shadows)
Hope this helps!!
english would be most appropriate