Which one of the following is not correct about English bond?a) Bricks in one layer are laid on header bond and courses above and below are stretcher bondb) Bricks in one layer are laid on stretcher bond and courses above and below are header bondc) Every layer of bricks is laid on header and stretcher bondd) Bricks layer aligned such that vertical joint is continuous

• A. only a
• B. only c
• C. both a & b
• D. both c & d