Allowed is the past tense of the verb to allow , which means to permit . Allowed is synonymous with (the same as) permitted .and The adverb aloud means out loud and refers to sound (almost always speech).
so option C should be correct.
option c is correct.
allowed: admit (an event or activity) as legal or acceptable.
aloud: audibly; not silently or in a whisper.
after her quarrel with her sister,annie wasn't allowed to for the school trip and had to repeat "sorry" aloud 100 times to her sister. Thus option C is correct.