Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to prepare for a phd as an undergraduate [title] Talk to your professors. [step] It's a good idea to talk to professors about your interests, especially professors in your field of interest. Not only have they been through the process of obtaining a phd, but they know other professors and institutions in the field.

Ending1: If you may not find anyone with the same interests that you do, it may be worth considering pursuing a phd in english or a foreign language. [substeps] You may be very intrigued with the area of study you want to specialize in. Ending2: Help professors to find out about different phd fields so that they can base their recommendations on your interests. [substeps] You can ask them to look up out of the blue about schools they know you are interested in. Ending3: They'll have inside tips to prepare you for the workload, and may even be able to write a letter of recommendation for you. [substeps] Don't approach any professor at random. Ending4: This is the area where you'll need a good grasp of your professor's research. [substeps] If you're applying to multiple programs, let your professor know (either in person or over the phone) about the areas you're interested in studying.

Answer format: ending1/ending2/ending3/ending4