Read the following passage:

"The Canadian national flag, red and white with a central maple leaf, dates back to 1965. This striking design was adopted out of a patriotic urge for a symbol that was uniquely Canadian. Previous flags had included the Union Jack of the United Kingdom in one corner. In a nod to history, after being dropped from the national flag, the Union Jack was named an official ceremonial flag of Canada."

Which sentence uses subjective language?

A. The Canadian national flag, red and white with a central maple leaf, dates back to 1965.
B. Previous flags had included the Union Jack of the United Kingdom in one corner.
C. In a nod to history, after being dropped from the national flag, the Union Jack was named an official ceremonial flag of Canada.
D. This striking design was adopted out of a patriotic urge for a symbol that was uniquely Canadian.