The correct option is
C Accuse
The given word 'indict' in terms of a grand jury means: 'to bring a formal accusation against, as a means of bringing to trial'.
From the options, Option C: 'accuse' best expresses the meaning of the given word. Hence option C is correct.
Option A: 'Condemn' means 'to express strong disapproval of'.
Option B: Similarly, 'reprimand' also means 'to express strong disapproval of'.
Option D: 'Allege' means 'to declare something without proof or facts'.
These words do not mean the same as the given word, hence options A, B and D are incorrect.