Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: [header] How to make mosquito repellent [title] Choose an essential oil for your spray. [step] The strong odor in essential oils will prevent mosquitos from biting you. There are a variety of different oils that you can get depending on your scent preference. <sep> (A) Some of the most popular essential oils that can be used to repel mosquitos include peppermint, lavender, eucalyptus, geranium, rosemary, clove, sage, cinnamon, and thyme. Determine which scents you like the best and choose those as the basis for your essential oil repellent. (B) You can use any type of essential oil you like including citrus and peppermint essential oil for both sun and mosquito repellent. Lemon, grapefruit, lemongrass, and walnut oils also provide natural repellents. (C) Oil containing peppermint, eucalyptus, lemon, and hickory helps repel mosquitoes and will also keep mosquitos away from you. [substeps] Peppermint and eucalyptus both have antiviral and anti-viral properties as well. (D) Think about : [substeps] Chamomile: this skin-friendly antiperspirant has a mild fresh scent that has a calming effect. Tea tree oil: this oral-based oil has few negative effects on your body when applied directly to your skin.
A:
A