The correct option is
A Reduce - Electricity and water
Recycle - Plastic cups, paper, and metal objects
Reuse - Used envelopes, plastic carry bags, and bottles of jam
Reduce - Make use of smaller or less in amount, degree, or size. For example, the use of electricity and water can be minimized.
Recycle - Convert (waste) into reusable material. For example, plastic cups, paper, and metal objects can be recycled to make a piece of art (sculpture).
Reuse - Use again or use more than once. For example, used envelopes, plastic carry bags, and bottles of jam can be used again and again.
Thus, the correct answer is option A.