62. Geologists believe that the warning signs for a major earthquake may include sudden fluctuations in local seismic activity, tilting and other deformations of the Earth's crust, changing the measured strain across a fault zone, and varying the electrical properties of underground rocks.

(A) changing the measured strain across a fault zone and varying

(B) changing measurements of the strain across a fault zone, and varying

(C) changing the strain as measured across a fault zone, and variations of

(D) changes in the measured strain across a fault zone, and variations in

(E) changes in measurements of the strain across a fault zone, and variations among

这个题我有一个疑问，为什么tilt要用动名词要不直接用名词tilt，按理说有名词，名词prefer的啊

请牛牛指教，谢谢

"Tilting", not 'tilt', is a Seismic Deformation term.

e.g.

One or more major landforms of the NYC area are due to uplift, depression or tilting caused by deformation.