The answer is A. Unrhymed lines of iambic pentameter
Knots usually take 1 minute or so to do. If you keep on tying the knots and get used to the pattern, you will get faster and faster and eventually will be able to do it in 4 seconds. It is kind of like picking strawberries. If you keep on picking strawberries and timing yourself, you will get faster like when you typed the knot
Hello. You did not show line 4 to which the question refers, which makes it impossible for the question to be answered accurately, but I will try to help you in the best possible way.
The definition "Showing great intelligence" will be the correct one if line 4 presents a text referring to smartness, academic quality and wisdom.
The definition "Full of light" is correct if line 4 has a text on clarity, lighting and brightness.
The definition "Excellent or superior in performance" will be correct if line 4 presents a text about something or someone who has a great capacity to complete activities in an amazing way.