Which evidence from the text best supports the inference that Alexander is still hopeful about his manuscript?

Select all that apply.

A. Alexander leaves the room with his head hung low.

B. Alexander throws his manuscript in the wastebasket.

C. Alexander smiles when Margaret likes his manuscript.

D. Alexander burns the publisher's rejection letter in the fireplace.

E. Alexander plans to submit the manuscript to a thirteenth publishing house.

F. Alexander considers Margaret's suggestion for what to do with the manuscript.

One of the author's purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with enormous speed mark this and return save and exit next submit