Which of the following is not a comparative form of an adjective?

Read the text below and decide which option (A, B, C or D) best fits each gap. Originating primarily in Russia fairy tales, the Firebird is rarely seen as a (5) ____  entity that causes harm. In some classic tales, the bird is famous for stealing a tsar's (6) ___ golden apple. In other stories as well, it is depicted as a mischievous and (7) ___ creature, prone to doing strange things, but not as an evil being intent on causing harm. Till date, the firebird remains (8) ___ as no one has ever captured an image of the bird or found its feather, believed to possess magical healing properties.

He respectedly requested everyone to take their seats so that show could begin perfunctorily.

Spreading false rumors online has a pernicious influence on public trust.

I had hoped the seminar would attract a large audience, but the information was too esoteric for wide appeal.

The coach was famous for laconic press conferences, often answering with a simple nod.

The investigative journalist was tenacious in her quest to uncover the truth behind the scandal.

Choose the option where the underlined word has been used correctly.
(i) The climbers found that the final assent to the to the summit was the most difficult part of the expedition.
(ii) The company's rapid assent in the industry caught the attention of global investors.
(iii) After reviewing the revised contract, the board members decided to assent to the terms.