B because the Authors mood is persuasive
As the 20th century progressed, the laws of science were increasingly considered to be mysterious and questionable. Option D is correct.
Science advanced dramatically during the 20th century. New and radical developments in the physical, life and human sciences existed. Besides, a great amount of new technologies were developed in the 20th century. Moreover, some technology innovation created in the nineteenth century were perfected in the 20th century.
The participial phrase in the sentence is C. INSTRUCTED WITH A TEACHER'S CARE.
Participial phrase always starts with a participle. The participle may be present or past participle. Present participle ends with -ing. Past participles end with -d or -ed.
In the above sentence, the participial phrase started with a past participle, Instructed. Always remember, participial phrases serve as adjectives in the sentence. It modifies students in the sentence.
