Consider the two planes. In the diagram, the only figure that could be parallel to line
C is
line a
line b
line d.
plane Q.

The only figure that could be parallel to line  c is line d

Step-by-step explanation:

Parallel lines : Lines are called parallel if they are always the same distance apart , and will never meet.

Now consider the two planes

Now observer the line c

We are supposed to find  the only figure that could be parallel to line c

So by definition

Line d is parallel to line c

So, Option C is true

Hence  the only figure that could be parallel to line  c is line d

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step-by-step explanatio89