Help! Please, Jawab yang benar ^_^

a. Dona sent the letter.

b. Melodi received the letter.

c. The letter was written the 5th of October 2017.

d. Dona's personal letter is an informal letter.

e. The main idea of the text is to inform the recipient of his departure and bid the recipient goodbye.

Explanation:

From the letter, it's very clear that Dona sent the letter because Dona's name is seen at the closing  remark of the letter. Melodi is the recipient (receiver) of the letter because the name appeared at the introductory/salutation part of the letter.

The date it was written was clearly stated in the letter and it is at the top right hand side of the the letter.

Informal letters are known to be the type of letters that are written to friends, acquaintances, relatives, etc., in order to pass an information, send greetings and interact.

the correct answer is c. he speculates on what might happen at given points in the future in a world without people. alan h. weisman is an american author, professor, and journalist. authors organize their information with a purpose. they present their ideas in an organized way. this is called text structure. weisman uses text structure so as to improve overall comprehension and to prove his points.