单项选择题

Although I am in perfect health, and in possession of a valid class-one California driving license, I am running (31) problems getting employment in the trucking industry because I am (32) .
You may have heard that in recent years, more and more women have been entering the trucking (33) . But here’s the catch; in most (34) , women are able to enter the trucking profession (35) as part of a husband-wife driving team. As for putting a single woman (36) with a male co-driver for long-distance hauling, the companies that I’ve been (37) , on the (38) that they spending all our time in the sleeper berth! In short, it’s (42) that because I’m a woman, I’m incapable of be having responsibility on the road, of (43) any responsible attitude in my co-driver who, of course, would be incapable of regarding me us anything (44) a sex object, placed conveniently (45) his disposal by the firm while he’s on the road. I’ve also been told that I could be hired by the company in (46) if only they had another woman driver to put me on with; but tile company doesn’t hire women anyway, (47) there’s no (48) driver to put me on with, so...
There you have a nice circular argument (49) firms use to protect themselves (50) up pity women who dare to stay single, try to gross ＄14,000 to ＄50,000 income yearly. God forbid!