Depending on what is emphasised, words can mean different things as can sentences. What the difference is depends on what word or sentence you are changing.
Among the options provided above, the noun clause
is:
<span>A.
</span>whoever comes into the house
Noun clause is introduced by words such as whoever, whomever
and others. It is a dependent clause which can act as a noun, subject, direct
or indirect objects, predicate nominatives, and preposition objects.
<span>the author should Avoid showing bias. </span>
