Which expression is equal to

\left|a-2-\sqrt{(a-1)^{2}}\right|

for a<0 ?

**Answer Choices**

A. 3-2 a

B. 1-a

C. 1

D. a+1

E. 3

Which expression is equal to

\left|a-2-\sqrt{(a-1)^{2}}\right|

for a<0 ?

**Answer Choices**

A. 3-2 a

B. 1-a

C. 1

D. a+1

E. 3