Which is the simplest way to create a focal point in an artwork?

Correct answer: Make one element different from the rest

The governing concept is emphasis, which gives one part of an artwork greater visual importance. The simplest method is to make one element different in colour, size, detail, position, or shape from the repeated surrounding elements. That difference attracts attention and establishes a focal point, so option A is correct. Making everything identical reduces distinction; erasing the artwork or drawing only a border does not create a meaningful subject.