I was hesitating between C and E, eventually choosing the wrong answer.
One more little argument in favor of E over C is the usage of "whenever" instead of "when".
From the book:
If an event is unique or its date or time is known, usewhen.
The game will begin Friday evening when the clock strikes seven.
Whenever is best used for repeated events or events whose date or time is uncertain. If you can substitute every time that or at whatever time that in your sentence, then
...
One more little argument in favor of E over C is the usage of "whenever" instead of "when".
From the book:
If an event is unique or its date or time is known, usewhen.
The game will begin Friday evening when the clock strikes seven.
Whenever is best used for repeated events or events whose date or time is uncertain. If you can substitute every time that or at whatever time that in your sentence, then
...

.jpg)








