What is the most effective way to combine sentences 6 and 7?

Question 7 options:

Background noises and sound effects cannot be adequately recorded during filming these, including such things as roaring cars, galloping horses, or the gentle tapping of pencils on desks

Background noises and sound effects cannot be adequately recorded during filming when they include such things as roaring cars, galloping horses, or the gentle tapping of pencils on desks.

Background noises and sound effects, such as roaring cars, galloping horses, or the gentle tapping of pencils on desks, cannot be adequately recorded during filming.

Background noises and sound effects cannot be adequately recorded because such things as these roaring cars, galloping horses, or the gentle tapping of pencils on desks are included during filming.

Background noises and sound effects cannot be adequately recorded during filming when they include such things as roaring cars, galloping horses, or the gentle tapping of pencils on desks.