Answer:
a. Spect
Step-by-step explanation:
'Spect' is a Latin root word meaning 'to see'. It is the root word found in words such as 'Spectacular' and 'Spectacle'. The dictionary meaning of the word 'Spectacular,' is something that is beautiful in an 'eye-catching way'. Also, the dictionary meaning of the word 'Spectacle' is something that is visually attractive.
In all instances, the root word 'Spect' is connected to the word, 'sight'. Root words are usually coined with suffixes and a transitory letter or alphabet to form a full word.