Step 1: Understanding the Concept
Oils rich in saturated fatty acids are solid or semi-solid at cool temperature, while oils rich in unsaturated fatty acids stay liquid.
Step 2: Detailed Explanation
Coconut oil contains about 90 percent saturated fatty acids, mainly lauric acid.
Olive oil is mainly monounsaturated (oleic acid). Safflower oil is mainly polyunsaturated (linoleic acid). Fish oil is rich in polyunsaturated omega-3 acids.
Final Answer:
Coconut oil is mainly saturated, option (A).
\[ \boxed{\text{Coconut oil (A)}} \]