Answer: D) They had not seen the experiment, yet they knew the results.
Explanation: a conjunction is a an uninflected linguistic form used to connect clauses, phrases, words or sentences or to coordinate words in the same clause, for example: and, if, so, yet, but, or, nor, etc. In the given sentence we can see an example of a conjunction in the word "yet" it is joining two independent clauses: "they had not seen the experiment" and "they knew the results."
<span>If these were the missing choices:
A. The first train consisted of thirty-four cars weighing, all told, ninety tons.
B. Before the time of Watt, the steam engine was exclusively a steam pump—slow and wasteful of fuel.
C. The idea of using steam for driving stationary machinery originated in the early centuries.
D. Watt made it a quick, powerful, and efficient engine, requiring only a fourth as much fuel as before.
My answer is D. WATT MADE IT A QUICK, POWERFUL, AND EFFICIENT ENGINE, REQUIRING ONLY A FOURTH AS MUCH FUEL AS BEFORE.
Though the passage is not given, I chose option D because it gives the benefit that others experienced from Watt's contribution.</span>
Feared is the right answer
D-Mice
Explanation:
sorry for the confusion it is d. mice is a plural for of mouse