16.计算$\sqrt{\frac{b}{a}}$÷$\sqrt{ab}$×$\sqrt{\frac{1}{ab}}$(a>0,b>0)的值为( )
0 282446 282454 282460 282464 282470 282472 282476 282482 282484 282490 282496 282500 282502 282506 282512 282514 282520 282524 282526 282530 282532 282536 282538 282540 282541 282542 282544 282545 282546 282548 282550 282554 282556 282560 282562 282566 282572 282574 282580 282584 282586 282590 282596 282602 282604 282610 282614 282616 282622 282626 282632 282640 366461
| A. | $\frac{1}{a{b}^{2}}$$\sqrt{ab}$ | B. | $\frac{1}{{a}^{2}b}$$\sqrt{ab}$ | C. | $\frac{1}{b}\sqrt{ab}$ | D. | b$\sqrt{ab}$ |