Might deaf people actually have a _____ language A.real B.ge

Actual:指事物的实际存在,并非出自主观臆造.(实际存在的,如知识、行为、价值).
eg.The actual value of labor in capitalist society does not represent the real value of labor.
All actual objects are concrete.
Authentic:指与事实完全相符,强调准确可靠;真的（有正式证据或文件表明）.
eg.The geologists declared the fragment to be an authentic specimen of a rare fossil.
Factual:事实的（依据事实）.
eg.The report gave a factual account of the accident.
Genuine:普通常用词,指真正的,货真价实的,强调非人为或非虚假的;真心的.
eg.The watch is a genuine Swiss make.
He showed genuine sorrow at the death of his wife.
Real:真实的（表实际存在的,如实情、实物）.
eg.This jacket is made of real leather.
This is a real experience,not a dream.
This is a real pearl,not an imitation.
True:指同实际情况或标准完全一致,（指语言、故事、品质等和实际情况相符）口语中多用.
eg.He is a true communist.
It is a true story.