Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:
A - This is correct, after POE B - usage of "had not", "having been made" C - doesn't sound right D - "he" needs to be there before "quickly built" E - "Even though... but" don't go together, use of being