Read the argument from part iv of discourse on method and answer the question.

it remained, then, to conclude that it was put into me by a nature truly more perfect than was i, and possessing in itself all the perfections of what i could form an idea--in a word, by god. to which i added that, since i knew some perfections which i did not possess, i was not the only being who existed, but that there must of necessity be some other being, more perfect, on whom i depended, and from whom i had acquired all that i possessed; for if i had existed alone and independent of all other, so that i had of myself all this little whereby i participated in the perfect being, i should have been able to have in myself all those other qualities which i knew myself to lack, and so to be infinite, eternal, immutable, omniscient, almighty--in fine, to possess all the perfections which i could observe in god.

according to this excerpt, descartes' belief in the divine is represented through

his satirical tone
his critical tone
his somber tone
his modest tone