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synonyms:distant, detached, unfriendly, antisocial,unsociable, avoidant, remote, unapproachable,formal, stiff, withdrawn, reserved, unforthcoming,uncommunicative, unsympathetic;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"
To go after there goal and do what it takes to get there
Answer:
Purchases of government bonds from banks
If you accept either C or D as the correct revision then you have to accept both of them. Hence the best way to treat the sentence is to ignore both of them.
B is not correct either. You can over punctuate.
That leaves A.
Sometimes the right answer to many things is to do nothing. My dad used to say "Don't fix what isn't broke."
A is the answer <<<<<