The correct answer is C. Because a complex sentence contains one independent clause (in this case, 'the flight attendant coughed gently to get his attention') and at least one dependent/subordinate clause (in this case, 'as Jake was reading the letter from June yet again').
I personally would go with D it just sounds better than all the other choices but I'm not 100% sure
A.)The D-day invasion at Normandy
Answer:
A) A stranger is noticed during the time it takes for the clock to complete twelve strokes.
Explanation:
