The highlighted phrase in Twinkle, Twinkle, Little Star would be labeled B
C
A
AABA

I'm assuming Your labeling the notes.  it's  DDCCBBA DDCCBBA

Explanation:

There's not much to explain, except that those are the notes.

it's d, robert k merton. in 1994 he was awarded the national medal of science for his contributions to the field and for having founded the sociology of science.

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.