The answer is actually
B. Handle and Gretel loved on the edge of a dark and foreboding forest
<span>B. We were walking by the lake when we heard a siren.
C. By the time I graduated, I had attended three different high schools.
D. Though he had been rude at first, Rupert eventually won over the congregation
These three sentences are all correct, because even if the verb tense shifts it still makes sense within the context of the situation.</span>
The excerpt from <span>"The Enigma Machine” that supports the idea that Allied forces expected the Germans to complicate their coding system is the following: </span>
"The Germans
knew their enemies were listening to their secret radio com<span>munications,
but they were confident their messages were undecipherable.</span>
The ENIGMA
machine so enciphered the messages that the Germans assumed <span>the contents
could be deciphered only by duplicate ENIGMA's set according </span><span>to precise and frequently changed settings."</span>
TO KNOW MORE OF THESE, SEE ATTACHED FILE.