请高手帮忙：关于I-864的问题
我在为我父母办亲属移民，我目前不工作，在填I-864时有些疑问请高手解惑。
In part 1，question 1，我这种情况下我应该选a还是e呢？
◇a. I am the peitioner.
◇e. I am the ◇first ◇second of two joint sponsors. (Check appropriate box)
In part 3, question 8,
◇I am sponsoring the principal immigrant named in part 2 above.
◇Yes ◇No (Applicable only in cases with two joint sponsors)
多谢多谢！