吊弦在顺线路方向对垂直线的偏角不得大于（）。

A.10°

B.15°

C.20°

D.30°

A.100

B.180

C.200

D.300

A.{**{1599746208203_1_59_53.png}**}

B.{**{1599747212846_3_60_53.png}**}

C.{**{1599745880538_2_60_53.png}**}

D.{**{1599746263465_2_60_53.png}**}

A.1/2

B. 2/3

C. 1/3

D. 1/4

A.2/1

B.3/2

C.3/1

D.4/1

A.20

B.30

C.50

D.10

A.10

B.20

C.30

D.40