The answer is D because it states an hypothetical situation, as you explained above.
The answer to this question is 40ft I’m height
The subordinate clause in the following sentence:
Allison and Andy want to travel to India someday <u>once they saved enough money for the trip</u>.
Is: "<u>once they have saved enough money for the trip</u>".
A subordinate clause has a subject and a verb but it cannot stand a;one as a sentence like an independent clause. A subordinate clause can provide additional information, but it cannot stand alone as a sentence.
Ok and what else does the problem say?
