___ in London, the penniless American wandered on the pavement, ___ to find a job to make a living.
A：Lost; hoped
B：Losing; hoped
C：Lost; hoping
D：Losing; hoping
下列关于核酸的叙述，错误的是（ ）
麋鹿，俗称四不像，原是我国特有的珍贵兽类，具有特殊的纪念意义，现为国家一级保护动物．
