Answer:
'She' .... (is a pronoun).
Explanation:
'Before,' 'since' and 'when' are all adverbs that signal the start of a dependent clause.
A. Greatly reduced the assembly time for each car.
The correct option is D.
Ration refers to a fixed amount of a particular commodity which is officially allowed during a time of shortage such as the one experience during war time. A similar word that can be used instead of ration is portion.
The answer would be B. Positive that it's this one because no matter if you know everything about it doesn't mean you shouldn't research it.
I've learned the hard ways. :C