The word automation in the given sentence illustrates an act of operating without direct control by a person. Thus, the correct option is A.
What is a Sentence?
A sentence may be defined as a collection of words that are organized in order to convey or express a complete thought or expression.
According to this question, the given sentence is based on the influential functions of robots which are categorized under an automation object. Apart from this, home automation was also mentioned in the above sentence.
Automation may significantly describe a circumstance of functioning of any objects or systems without the direct need or regulation of a person. It avoids the direct function and involvement of the person in designed tasks.
Therefore, the word automation in the given sentence illustrates an act of operating without direct control by a person. Thus, the correct option is A.
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