The quality of printing was not to be.................
Adoutted
Bdoughted
Cdouted
Ddoubted
Answer:
D. doubted
Read Explanation:
The correct sentence is:
"The quality of printing was not to be doubted."
Explanation:
"Doubted" is the correct form of the verb, indicating that the quality of the printing was unquestionable. The phrase "not to be doubted" means that there was no reason to doubt or question it.