Select the sentence that uses a noun clause to combine the ideas below. a] water aids digestion. it is really true.. b] that water aids digestion is really true.. c] water aids digestion; it's really true.. d] it is really true where water aids digestion..e] water that aids digestion is really true.. also identify the function of the noun clause. function may be 1] subject. 2]direct object. 3]predicate noun. 4] object of a preposition. 5]appositive