[問題]大全987之249

[小晃兄]

Cartographers have long struggled with the problem of having the spherical Earth to draw on a flat sheet of paper.
(A) having the spherical Earth to draw on a flat sheet of paper
(B) having a flat sheet of paper on which to draw the spherical Earth
(C) how can one draw the spherical Earth on a flat sheet of paper
(D) how they could use a flat sheet of paper to draw the spherical Earth
(E) how to draw the spherical Earth on a flat sheet of paper

答案是E，可是介係詞後面不是只能加名詞嗎 ，請各位牛牛指教，謝謝

[dibert8]

(A) Earth 不會畫畫 => 刪除
(B) paper 不會畫畫 => 刪除
(C) how can 是疑問句 => 刪除
(D) they =?; 用 paper 不能畫畫 => 刪除
=> (E) how: 疑問副詞; to-V: 不定詞當名詞
[Oxford]
how
adv. in what way or manner
How does it work?
I'll show you how to load the software.

[dibert8]

how 的確也可作名詞
[Merriam-Webster]
how
Function: noun
a question about manner or method

the problem of how to draw : 似乎 how 作名詞比較好理解, to draw 這不定詞(名詞)作 how 的同位語,不知此說法正不正確?