Question

Select the sentence that uses a noun clause to combine the ideas below. Also identify the function of the noun clause.

Water aids digestion. It is really true.

a. That water aids digestion is really true.
b. Water aids digestion; it's really true.
c. It is really true where water aids digestion.
d. Water that aids digestion is really true.
e. subject
f. direct object
g. predicate noun
h. object of a preposition
i. appositive

(I CAN CHOOSE MORE THAN 1)