F大调的下属音是哪一音？

A . A、一个口型 B . B、二个口型 C . C、三个口型 D . D、四个口型

A . A、调式结构 B . B、曲式结构 C . C、作品的需要

A、<img src="http://p.ananas.chaoxing.com/star3/origin/c8cc619415a34a26bfa5fc37665cad9d.png"> B、<img src="http://p.ananas.chaoxing.com/star3/origin/d04459160eb51c789e8a2af8dd229da1.png"> C、<img src="http://p.ananas.chaoxing.com/star3/origin/203c86583c58ab1ea9c59265d0bdf61b.png"> D、<img src="http://p.ananas.chaoxing.com/star3/origin/fd400c4f74e7dd7b6d1c7bd735748e91.png">

A、<img src="http://p.ananas.chaoxing.com/star3/origin/9de0b5f8c126fec07346a73765c03542.png"> B、<img src="http://p.ananas.chaoxing.com/star3/origin/dc38d1c7ecd904b3b27f8a3bd855bdb4.png"> C、<img src="http://p.ananas.chaoxing.com/star3/origin/f95ab49709444ec81c852be40afdcf26.png"> D、<img src="http://p.ananas.chaoxing.com/star3/origin/f874918236c85acde3c3fd28f89eff32.png"> E、<img src="http://p.ananas.chaoxing.com/star3/origin/adebd06a5f2fcf2f5444d08154271de0.png"> F、<img src="http://p.ananas.chaoxing.com/star3/origin/82588a79ad6b6ed8ec171942dd7431df.png"> G、<img src="http://p.ananas.chaoxing.com/star3/origin/02f510ae76c7c34c77603ef42a302a4e.png">

A、<img src="http://p.ananas.chaoxing.com/star3/origin/12604b1118b55c6f941eb7c6ea222d5b.png"> B、<img src="http://p.ananas.chaoxing.com/star3/origin/cf8a619e22286d67258779b46f0bc758.png"> C、<img src="http://p.ananas.chaoxing.com/star3/origin/9bc267f4d110b0dbbc0787da218c921e.png"> D、<img src="http://p.ananas.chaoxing.com/star3/origin/f2eb7dae74fadb4e3139a07c5c88a1b0.png">

A、<img src="http://p.ananas.chaoxing.com/star3/origin/12604b1118b55c6f941eb7c6ea222d5b.png"> B、<img src="http://p.ananas.chaoxing.com/star3/origin/0a1fac84016915083861da7f413e1146.png"> C、<img src="http://p.ananas.chaoxing.com/star3/origin/a59b07a30b85bfed93f92fa006bb47d3.png"> D、<img src="http://p.ananas.chaoxing.com/star3/origin/9bc267f4d110b0dbbc0787da218c921e.png">