14.如图示结构中，14., 14., 求 A、C 两点处的约束反力。14.

[单选题]14．A．findB．feelC．looksD．looked

[单选题]14．A．wantB．hopeC．needD． ．wish

[单选题]14．A．sometimesB．oftenC．usuallyD．never

[单选题]14．A．whatB．whereC．whichD．why

[单选题]14．A．forB．inC．at "D．with

[单选题]14．A．quieterB．youngerC．wilderD．busier

[单选题]14．A． wasn’tB． weren’tC． didn’t have

[单选题]14．A．are 'B．isC．will beD．has been

[单选题]14．A．isB． areC． wasD． were

[单选题]14．A．is goingB．getsC．goesD．comes on