大家帮忙看看这3题目，多谢了

piyue61

A collection of 38 poems by Phillis Wheatley, a slave, was published in the 1770’s, the first book by a Black woman and it was only the second published by an American woman.

(A) it was only the second published by an American woman

(B) it was only the second that an American woman published

(C) the second one only published by an American woman

(D) the second one only that an American woman published（E）

(E) only the second published by an American woman

C 选项为什么不对

A firm that specializes in the analysis of handwriting claims from a one-page writing sample that it can assess more than three hundred personality traits, including enthusiasm, imagination, and ambition.

(A) from a one-page writing sample that it can assess

(B) from a one-page writing sample it has the ability of assessing

(C) the ability, from a one-page writing sample, of assessing

(D) to be able, from a one-page writing sample, to assess（D）

(E) being able to assess, from a one-page writing sample,

A选项为什么不对

A peculiar feature of the embryonic mammalian circulatory system is that in the area of the heart the cells adhere to one another, beating in unison and adopting specialized orientations exclusive of one another.

(A) beating in unison and adopting

(B) they beat in unison while adopting

(C) beat in unison, and adopt

(D) beating in unison yet adopting（D）

(E) even though they beat in unison and adopt

D 选项中的yet是什么意思

piyue61

多谢大侠指点，小妹跪谢