The best revision of the sentence that avoids the misconception is "Moreover, the constant exposure of ads is annoying" to avoid the misconception. The misconception that can happen here is the notion that the advertising is exposing someone. To eliminate this misconception, the sentence must be made<span> more effective. Thus, the revision above is the best way to avoid it.</span>
D. Fall is implied. The leaves turning gold and red is the biggest cue, as this only happens in fall. Other clues include 'crisp' (chilly, but not snow-cold).
